Whether every human action is good, or are there evil actions?

Objection 1. It would seem that every human action is good, and that none is evil. For Dionysius says (Div. Nom. iv) that evil acts not, save in virtue of the good. But no evil is done in virtue of the good. Therefore no action is evil.

Objection 2. Further, nothing acts except in so far as it is in act. Now a thing is evil, not according as it is in act, but according as its potentiality is void of act; whereas in so far as its potentiality is perfected by act, it is good, as stated in Metaph. ix, 9. Therefore nothing acts in so far as it is evil, but only according as it is good. Therefore every action is good, and none is evil.

Objection 3. Further, evil cannot be a cause, save accidentally, as Dionysius declares (Div. Nom. iv). But every action has some effect which is proper to it. Therefore no action is evil, but every action is good.

On the contrary, Our Lord said (John 3:20): "Every one that doth evil, hateth the light." Therefore some actions of man are evil.

I answer that, We must speak of good and evil in actions as of good and evil in things: because such as everything is, such is the act that it produces. Now in things, each one has so much good as it has being: since good and being are convertible, as was stated in the I:5:1; I:5:3. But God alone has the whole plenitude of His Being in a certain unity: whereas every other thing has its proper fulness of being in a certain multiplicity. Wherefore it happens with some things, that they have being in some respect, and yet they are lacking in the fulness of being due to them. Thus the fulness of human being requires a compound of soul and body, having all the powers and instruments of knowledge and movement: wherefore if any man be lacking in any of these, he is lacking in something due to the fulness of his being. So that as much as he has of being, so much has he of goodness: while so far as he is lacking in goodness, and is said to be evil: thus a blind man is possessed of goodness inasmuch as he lives; and of evil, inasmuch as he lacks sight. That, however, which has nothing of being or goodness, could not be said to be either evil or good. But since this same fulness of being is of the very essence of good, if a thing be lacking in its due fulness of being, it is not said to be good simply, but in a certain respect, inasmuch as it is a being; although it can be called a being simply, and a non-being in a certain respect, as was stated in I:5:1 (Reply to Objection 1). We must therefore say that every action has goodness, in so far as it has being; whereas it is lacking in goodness, in so far as it is lacking in something that is due to its fulness of being; and thus it is said to be evil: for instance if it lacks the quantity determined by reason, or its due place, or something of the kind.

Reply to Objection 1. Evil acts in virtue of deficient goodness. For it there were nothing of good there, there would be neither being nor possibility of action. On the other hand if good were not deficient, there would be no evil. Consequently the action done is a deficient good, which is good in a certain respect, but simply evil.

Reply to Objection 2. Nothing hinders a thing from being in act in a certain respect, so that it can act; and in a certain respect deficient in act, so as to cause a deficient act. Thus a blind man has in act the power of walking, whereby he is able to walk; but inasmuch as he is deprived of sight he suffers a defect in walking by stumbling when he walks.

Reply to Objection 3. An evil action can have a proper effect, according to the goodness and being that it has. Thus adultery is the cause of human generation, inasmuch as it implies union of male and female, but not inasmuch as it lacks the order of reason.


Whether the good or evil of a man's action is derived from its object?

Objection 1. It would seem that the good or evil of an action is not derived from its object. For the object of any action is a thing. But "evil is not in things, but in the sinner's use of them," as Augustine says (De Doctr. Christ. iii, 12). Therefore the good or evil of a human action is not derived from their object.

Objection 2. Further, the object is compared to the action as its matter. But the goodness of a thing is not from its matter, but rather from the form, which is an act. Therefore good and evil in actions is not derived from their object.

Objection 3. Further, the object of an active power is compared to the action as effect to cause. But the goodness of a cause does not depend on its effect; rather is it the reverse. Therefore good or evil in actions is not derived from their object.

On the contrary, It is written (Hosea 9:10): "They became abominable as those things which they loved." Now man becomes abominable to God on account of the malice of his action. Therefore the malice of his action is according to the evil objects that man loves. And the same applies to the goodness of his action.

I answer that, as stated above (Article 1) the good or evil of an action, as of other things, depends on its fulness of being or its lack of that fulness. Now the first thing that belongs to the fulness of being seems to be that which gives a thing its species. And just as a natural thing has its species from its form, so an action has its species from its object, as movement from its term. And therefore just as the primary goodness of a natural thing is derived from its form, which gives it its species, so the primary goodness of a moral action is derived from its suitable object: hence some call such an action "good in its genus"; for instance, "to make use of what is one's own." And just as, in natural things, the primary evil is when a generated thing does not realize its specific form (for instance, if instead of a man, something else be generated); so the primary evil in moral actions is that which is from the object, for instance, "to take what belongs to another." And this action is said to be "evil in its genus," genus here standing for species, just as we apply the term "mankind" to the whole human species.

Reply to Objection 1. Although external things are good in themselves, nevertheless they have not always a due proportion to this or that action. And so, inasmuch as they are considered as objects of such actions, they have not the quality of goodness.

Reply to Objection 2. The object is not the matter "of which" (a thing is made), but the matter "about which" (something is done); and stands in relation to the act as its form, as it were, through giving it its species.

Reply to Objection 3. The object of the human action is not always the object of an active power. For the appetitive power is, in a way, passive; in so far as it is moved by the appetible object; and yet it is a principle of human actions. Nor again have the objects of the active powers always the nature of an effect, but only when they are already transformed: thus food when transformed is the effect of the nutritive power; whereas food before being transformed stands in relation to the nutritive power as the matter about which it exercises its operation. Now since the object is in some way the effect of the active power, it follows that it is the term of its action, and consequently that it gives it its form and species, since movement derives its species from its term. Moreover, although the goodness of an action is not caused by the goodness of its effect, yet an action is said to be good from the fact that it can produce a good effect. Consequently the very proportion of an action to its effect is the measure of its goodness.


Whether man's action is good or evil from a circumstance?

Objection 1. It would seem that an action is not good or evil from a circumstance. For circumstances stand around [circumstant] an action, as being outside it, as stated above (I-II:7:1). But "good and evil are in things themselves," as is stated in Metaph. vi, 4. Therefore an action does not derive goodness or malice from a circumstance.

Objection 2. Further, the goodness or malice of an action is considered principally in the doctrine of morals. But since circumstances are accidents of actions, it seems that they are outside the scope of art: because "no art takes notice of what is accidental" (Metaph. vi, 2). Therefore the goodness or malice of an action is not taken from a circumstance.

Objection 3. Further, that which belongs to a thing, in respect of its substance, is not ascribed to it in respect of an accident. But good and evil belong to an action in respect of its substance; because an action can be good or evil in its genus as stated above (Article 2). Therefore an action is not good or bad from a circumstance.

On the contrary, the Philosopher says (Ethic. ii, 3) that a virtuous man acts as he should, and when he should, and so on in respect of the other circumstances. Therefore, on the other hand, the vicious man, in the matter of each vice, acts when he should not, or where he should not, and so on with the other circumstances. Therefore human actions are good or evil according to circumstances.

I answer that, In natural things, it is to be noted that the whole fulness of perfection due to a thing, is not from the mere substantial form, that gives it its species; since a thing derives much from supervening accidents, as man does from shape, color, and the like; and if any one of these accidents be out of due proportion, evil is the result. So it is with action. For the plenitude of its goodness does not consist wholly in its species, but also in certain additions which accrue to it by reason of certain accidents: and such are its due circumstances. Wherefore if something be wanting that is requisite as a due circumstance the action will be evil.

Reply to Objection 1. Circumstances are outside an action, inasmuch as they are not part of its essence; but they are in an action as accidents thereof. Thus, too, accidents in natural substances are outside the essence.

Reply to Objection 2. Every accident is not accidentally in its subject; for some are proper accidents; and of these every art takes notice. And thus it is that the circumstances of actions are considered in the doctrine of morals.

Reply to Objection 3. Since good and being are convertible; according as being is predicated of substance and of accident, so is good predicated of a thing both in respect of its essential being, and in respect of its accidental being; and this, both in natural things and in moral actions.


Whether a human action is good or evil from its end?

Objection 1. It would seem that the good and evil in human actions are not from the end. For Dionysius says (Div. Nom. iv) that "nothing acts with a view to evil." If therefore an action were good or evil from its end, no action would be evil. Which is clearly false.

Objection 2. Further, the goodness of an action is something in the action. But the end is an extrinsic cause. Therefore an action is not said to be good or bad according to its end.

Objection 3. Further, a good action may happen to be ordained to an evil end, as when a man gives an alms from vainglory; and conversely, an evil action may happen to be ordained to a good end, as a theft committed in order to give something to the poor. Therefore an action is not good or evil from its end.

On the contrary, Boethius says (De Differ. Topic. ii) that "if the end is good, the thing is good, and if the end be evil, the thing also is evil."

I answer that, The disposition of things as to goodness is the same as their disposition as to being. Now in some things the being does not depend on another, and in these it suffices to consider their being absolutely. But there are things the being of which depends on something else, and hence in their regard we must consider their being in its relation to the cause on which it depends. Now just as the being of a thing depends on the agent, and the form, so the goodness of a thing depends on its end. Hence in the Divine Persons, Whose goodness does not depend on another, the measure of goodness is not taken from the end. Whereas human actions, and other things, the goodness of which depends on something else, have a measure of goodness from the end on which they depend, besides that goodness which is in them absolutely.

Accordingly a fourfold goodness may be considered in a human action. First, that which, as an action, it derives from its genus; because as much as it has of action and being so much has it of goodness, as stated above (Article 1). Secondly, it has goodness according to its species; which is derived from its suitable object. Thirdly, it has goodness from its circumstances, in respect, as it were, of its accidents. Fourthly, it has goodness from its end, to which it is compared as to the cause of its goodness.

Reply to Objection 1. The good in view of which one acts is not always a true good; but sometimes it is a true good, sometimes an apparent good. And in the latter event, an evil action results from the end in view.

Reply to Objection 2. Although the end is an extrinsic cause, nevertheless due proportion to the end, and relation to the end, are inherent to the action.

Reply to Objection 3. Nothing hinders an action that is good in one of the way mentioned above, from lacking goodness in another way. And thus it may happen that an action which is good in its species or in its circumstances is ordained to an evil end, or vice versa. However, an action is not good simply, unless it is good in all those ways: since "evil results from any single defect, but good from the complete cause," as Dionysius says (Div. Nom. iv).


Whether a human action is good or evil in its species?

Objection 1. It would seem that good and evil in moral actions do not make a difference of species. For the existence of good and evil in actions is in conformity with their existence in things, as stated above (Article 1). But good and evil do not make a specific difference in things; for a good man is specifically the same as a bad man. Therefore neither do they make a specific difference in actions.

Objection 2. Further, since evil is a privation, it is a non-being. But non-being cannot be a difference, according to the Philosopher (Metaph. iii, 3). Since therefore the difference constitutes the species, it seems that an action is not constituted in a species through being evil. Consequently good and evil do not diversify the species of human actions.

Objection 3. Further, acts that differ in species produce different effects. But the same specific effect results from a good and from an evil action: thus a man is born of adulterous or of lawful wedlock. Therefore good and evil actions do not differ in species.

Objection 4. Further, actions are sometimes said to be good or bad from a circumstance, as stated above (Article 3). But since a circumstance is an accident, it does not give an action its species. Therefore human actions do not differ in species on account of their goodness or malice.

On the contrary, According to the Philosopher (Ethic. ii. 1) "like habits produce like actions." But a good and a bad habit differ in species, as liberality and prodigality. Therefore also good and bad actions differ in species.

I answer that, Every action derives its species from its object, as stated above (Article 2). Hence it follows that a difference of object causes a difference of species in actions. Now, it must be observed that a difference of objects causes a difference of species in actions, according as the latter are referred to one active principle, which does not cause a difference in actions, according as they are referred to another active principle. Because nothing accidental constitutes a species, but only that which is essential; and a difference of object may be essential in reference to one active principle, and accidental in reference to another. Thus to know color and to know sound, differ essentially in reference to sense, but not in reference to the intellect.

Now in human actions, good and evil are predicated in reference to the reason; because as Dionysius says (Div. Nom. iv), "the good of man is to be in accordance with reason," and evil is "to be against reason." For that is good for a thing which suits it in regard to its form; and evil, that which is against the order of its form. It is therefore evident that the difference of good and evil considered in reference to the object is an essential difference in relation to reason; that is to say, according as the object is suitable or unsuitable to reason. Now certain actions are called human or moral, inasmuch as they proceed from the reason. Consequently it is evident that good and evil diversify the species in human actions; since essential differences cause a difference of species.

Reply to Objection 1. Even in natural things, good and evil, inasmuch as something is according to nature, and something against nature, diversify the natural species; for a dead body and a living body are not of the same species. In like manner, good, inasmuch as it is in accord with reason, and evil, inasmuch as it is against reason, diversify the moral species.

Reply to Objection 2. Evil implies privation, not absolute, but affecting some potentiality. For an action is said to be evil in its species, not because it has no object at all; but because it has an object in disaccord with reason, for instance, to appropriate another's property. Wherefore in so far as the object is something positive, it can constitute the species of an evil act.

Reply to Objection 3. The conjugal act and adultery, as compared to reason, differ specifically and have effects specifically different; because the other deserves praise and reward, the other, blame and punishment. But as compared to the generative power, they do not differ in species; and thus they have one specific effect.

Reply to Objection 4. A circumstance is sometimes taken as the essential difference of the object, as compared to reason; and then it can specify a moral act. And it must needs be so whenever a circumstance transforms an action from good to evil; for a circumstance would not make an action evil, except through being repugnant to reason.


Whether an action has the species of good or evil from its end?

Objection 1. It would seem that the good and evil which are from the end do not diversify the species of actions. For actions derive their species from the object. But the end is altogether apart from the object. Therefore the good and evil which are from the end do not diversify the species of an action.

Objection 2. Further, that which is accidental does not constitute the species, as stated above (Article 5). But it is accidental to an action to be ordained to some particular end; for instance, to give alms from vainglory. Therefore actions are not diversified as to species, according to the good and evil which are from the end.

Objection 3. Further, acts that differ in species, can be ordained to the same end: thus to the end of vainglory, actions of various virtues and vices can be ordained. Therefore the good and evil which are taken from the end, do not diversify the species of action.

On the contrary, It has been shown above (I-II:1:3) that human actions derive their species from the end. Therefore good and evil in respect of the end diversify the species of actions.

I answer that, Certain actions are called human, inasmuch as they are voluntary, as stated above (I-II:1:1). Now, in a voluntary action, there is a twofold action, viz. the interior action of the will, and the external action: and each of these actions has its object. The end is properly the object of the interior act of the will: while the object of the external action, is that on which the action is brought to bear. Therefore just as the external action takes its species from the object on which it bears; so the interior act of the will takes its species from the end, as from its own proper object.

Now that which is on the part of the will is formal in regard to that which is on the part of the external action: because the will uses the limbs to act as instruments; nor have external actions any measure of morality, save in so far as they are voluntary. Consequently the species of a human act is considered formally with regard to the end, but materially with regard to the object of the external action. Hence the Philosopher says (Ethic. v, 2) that "he who steals that he may commit adultery, is strictly speaking, more adulterer than thief."

Reply to Objection 1. The end also has the character of an object, as stated above.

Reply to Objection 2. Although it is accidental to the external action to be ordained to some particular end, it is not accidental to the interior act of the will, which act is compared to the external act, as form to matter.

Reply to Objection 3. When many actions, differing in species, are ordained to the same end, there is indeed a diversity of species on the part of the external actions; but unity of species on the part of the internal action.


Whether the species derived from the end is contained under the species derived from the object, as under its genus, or conversely?

Objection 1. It would seem that the species of goodness derived from the end is contained under the species of goodness derived from the object, as a species is contained under its genus; for instance, when a man commits a theft in order to give alms. For an action takes its species from its object, as stated above (Articles 2 and 6). But it is impossible for a thing to be contained under another species, if this species be not contained under the proper species of that thing; because the same thing cannot be contained in different species that are not subordinate to one another. Therefore the species which is taken from the end, is contained under the species which is taken from the object.

Objection 2. Further, the last difference always constitutes the most specific species. But the difference derived from the end seems to come after the difference derived from the object: because the end is something last. Therefore the species derived from the end, is contained under the species derived from the object, as its most specific species.

Objection 3. Further, the more formal a difference is compared to genus, as form to matter. But the species derived from the end, is more formal than that which is derived from the object, as stated above (Article 6). Therefore the species derived from the end is contained under the species derived from the object, as the most specific species is contained under the subaltern genus.

On the contrary, Each genus has its determinate differences. But an action of one same species on the part of its object, can be ordained to an infinite number of ends: for instance, theft can be ordained to an infinite number of good and bad ends. Therefore the species derived from the end is not contained under the species derived from the object, as under its genus.

I answer that, The object of the external act can stand in a twofold relation to the end of the will: first, as being of itself ordained thereto; thus to fight well is of itself ordained to victory; secondly, as being ordained thereto accidentally; thus to take what belongs to another is ordained accidentally to the giving of alms. Now the differences that divide a genus, and constitute the species of that genus, must, as the Philosopher says (Metaph. vii, 12), divide that genus essentially: and if they divide it accidentally, the division is incorrect: as, if one were to say: "Animals are divided into rational and irrational; and the irrational into animals with wings, and animals without wings"; for "winged" and "wingless" are not essential determinations of the irrational being. But the following division would be correct: "Some animals have feet, some have no feet: and of those that have feet, some have two feet, some four, some many": because the latter division is an essential determination of the former. Accordingly when the object is not of itself ordained to the end, the specific difference derived from the object is not an essential determination of the species derived from the end, nor is the reverse the case. Wherefore one of these species is not under the other; but then the moral action is contained under two species that are disparate, as it were. Consequently we say that he that commits theft for the sake of adultery, is guilty of a twofold malice in one action. On the other hand, if the object be of itself ordained to the end, one of these differences is an essential determination of the other. Wherefore one of these species will be contained under the other.

It remains to be considered which of the two is contained under the other. In order to make this clear, we must first of all observe that the more particular the form is from which a difference is taken, the more specific is the difference. Secondly, that the more universal an agent is, the more universal a form does it cause. Thirdly, that the more remote an end is, the more universal the agent to which it corresponds; thus victory, which is the last end of the army, is the end intended by the commander in chief; while the right ordering of this or that regiment is the end intended by one of the lower officers. From all this it follows that the specific difference derived from the end, is more general; and that the difference derived from an object which of itself is ordained to that end, is a specific difference in relation to the former. For the will, the proper object of which is the end, is the universal mover in respect of all the powers of the soul, the proper objects of which are the objects of their particular acts.

Reply to Objection 1. One and the same thing, considered in its substance, cannot be in two species, one of which is not subordinate to the other. But in respect of those things which are superadded to the substance, one thing can be contained under different species. Thus one and the same fruit, as to its color, is contained under one species, i.e. a white thing: and, as to its perfume, under the species of sweet-smelling things. In like manner an action which, as to its substance, is in one natural species, considered in respect to the moral conditions that are added to it, can belong to two species, as stated above (I-II:1:3 ad 3).

Reply to Objection 2. The end is last in execution; but first in the intention of the reason, in regard to which moral actions receive their species.

Reply to Objection 3. Difference is compared to genus as form to matter, inasmuch as it actualizes the genus. On the other hand, the genus is considered as more formal than the species, inasmuch as it is something more absolute and less contracted. Wherefore also the parts of a definition are reduced to the genus of formal cause, as is stated in Phys. ii, 3. And in this sense the genus is the formal cause of the species; and so much the more formal, as it is more universal.


Whether any action is indifferent in its species?

Objection 1. It would seem that no action is indifferent in its species. For evil is the privation of good, according to Augustine (Enchiridion xi). But privation and habit are immediate contraries, according to the Philosopher (Categor. viii). Therefore there is not such thing as an action that is indifferent in its species, as though it were between good and evil.

Objection 2. Further, human actions derive their species from their end or object, as stated above (Article 6; I-II:1:3). But every end and every object is either good or bad. Therefore every human action is good or evil according to its species. None, therefore, is indifferent in its species.

Objection 3. Further, as stated above (Article 1), an action is said to be good, when it has its due complement of goodness; and evil, when it lacks that complement. But every action must needs either have the entire plenitude of its goodness, or lack it in some respect. Therefore every action must needs be either good or bad in its species, and none is indifferent.

On the contrary, Augustine says (De Serm. Dom. in Monte ii, 18) that "there are certain deeds of a middle kind, which can be done with a good or evil mind, of which it is rash to form a judgment." Therefore some actions are indifferent according to their species.

I answer that, As stated above (Articles 2 and 5), every action takes its species from its object; while human action, which is called moral, takes its species from the object, in relation to the principle of human actions, which is the reason. Wherefore if the object of an action includes something in accord with the order of reason, it will be a good action according to its species; for instance, to give alms to a person in want. On the other hand, if it includes something repugnant to the order of reason, it will be an evil act according to its species; for instance, to steal, which is to appropriate what belongs to another. But it may happen that the object of an action does not include something pertaining to the order of reason; for instance, to pick up a straw from the ground, to walk in the fields, and the like: and such actions are indifferent according to their species.

Reply to Objection 1. Privation is twofold. One is privation "as a result" [privatum esse], and this leaves nothing, but takes all away: thus blindness takes away sight altogether; darkness, light; and death, life. Between this privation and the contrary habit, there can be no medium in respect of the proper subject. The other is privation "in process" [privari]: thus sickness is privation of health; not that it takes health away altogether, but that it is a kind of road to the entire loss of health, occasioned by death. And since this sort of privation leaves something, it is not always the immediate contrary of the opposite habit. In this way evil is a privation of good, as Simplicius says in his commentary on the Categories: because it does not take away all good, but leaves some. Consequently there can be something between good and evil.

Reply to Objection 2. Every object or end has some goodness or malice, at least natural to it: but this does not imply moral goodness or malice, which is considered in relation to the reason, as stated above. And it is of this that we are here treating.

Reply to Objection 3. Not everything belonging to an action belongs also to its species. Wherefore although an action's specific nature may not contain all that belongs to the full complement of its goodness, it is not therefore an action specifically bad; nor is it specifically good. Thus a man in regard to his species is neither virtuous nor wicked.


Whether an individual action can be indifferent?

Objection 1. It would seem that an individual action can be indifferent. For there is no species that does not, cannot, contain an individual. But an action can be indifferent in its species, as stated above (Article 8). Therefore an individual action can be indifferent.

Objection 2. Further, individual actions cause like habits, as stated in Ethic. ii, 1. But a habit can be indifferent: for the Philosopher says (Ethic. iv, 1) that those who are of an even temper and prodigal disposition are not evil; and yet it is evident that they are not good, since they depart from virtue; and thus they are indifferent in respect of a habit. Therefore some individual actions are indifferent.

Objection 3. Further, moral good belongs to virtue, while moral evil belongs to vice. But it happens sometimes that a man fails to ordain a specifically indifferent action to a vicious or virtuous end. Therefore an individual action may happen to be indifferent.

On the contrary, Gregory says in a homily (vi in Evang.): "An idle word is one that lacks either the usefulness of rectitude or the motive of just necessity or pious utility." But an idle word is an evil, because "men . . . shall render an account of it in the day of judgment" (Matthew 12:36): while if it does not lack the motive of just necessity or pious utility, it is good. Therefore every word is either good or bad. For the same reason every other action is either good or bad. Therefore no individual action is indifferent.

I answer that, It sometimes happens that an action is indifferent in its species, but considered in the individual it is good or evil. And the reason of this is because a moral action, as stated above (Article 3), derives its goodness not only from its object, whence it takes its species; but also from the circumstances, which are its accidents, as it were; just as something belongs to a man by reason of his individual accidents, which does not belong to him by reason of his species. And every individual action must needs have some circumstance that makes it good or bad, at least in respect of the intention of the end. For since it belongs to the reason to direct; if an action that proceeds from deliberate reason be not directed to the due end, it is, by that fact alone, repugnant to reason, and has the character of evil. But if it be directed to a due end, it is in accord with reason; wherefore it has the character of good. Now it must needs be either directed or not directed to a due end. Consequently every human action that proceeds from deliberate reason, if it be considered in the individual, must be good or bad.

If, however, it does not proceed from deliberate reason, but from some act of the imagination, as when a man strokes his beard, or moves his hand or foot; such an action, properly speaking, is not moral or human; since this depends on the reason. Hence it will be indifferent, as standing apart from the genus of moral actions.

Reply to Objection 1. For an action to be indifferent in its species can be understood in several ways. First in such a way that its species demands that it remain indifferent; and the objection proceeds along this line. But no action can be specifically indifferent thus: since no object of human action is such that it cannot be directed to good or evil, either through its end or through a circumstance. Secondly, specific indifference of an action may be due to the fact that as far as its species is concerned, it is neither good nor bad. Wherefore it can be made good or bad by something else. Thus man, as far as his species is concerned, is neither white nor black; nor is it a condition of his species that he should not be black or white; but blackness or whiteness is superadded to man by other principles than those of his species.

Reply to Objection 2. The Philosopher states that a man is evil, properly speaking, if he be hurtful to others. And accordingly, because he hurts none save himself. And the same applies to all others who are not hurtful to other men. But we say here that evil, in general, is all that is repugnant to right reason. And in this sense every individual action is either good or bad, as stated above.

Reply to Objection 3. Whenever an end is intended by deliberate reason, it belongs either to the good of some virtue, or to the evil of some vice. Thus, if a man's action is directed to the support or repose of his body, it is also directed to the good of virtue, provided he direct his body itself to the good of virtue. The same clearly applies to other actions.


Whether a circumstance places a moral action in the species of good or evil?

Objection 1. It would seem that a circumstance cannot place a moral action in the species of good or evil. For the species of an action is taken from its object. But circumstances differ from the object. Therefore circumstances do not give an action its species.

Objection 2. Further, circumstances are as accidents in relation to the moral action, as stated above (I-II:7:1). But an accident does not constitute the species. Therefore a circumstance does not constitute a species of good or evil.

Objection 3. Further, one thing is not in several species. But one action has several circumstances. Therefore a circumstance does not place a moral action in a species of good or evil.

On the contrary, Place is a circumstance. But place makes a moral action to be in a certain species of evil; for theft of a thing from a holy place is a sacrilege. Therefore a circumstance makes a moral action to be specifically good or bad.

I answer that, Just as the species of natural things are constituted by their natural forms, so the species of moral actions are constituted by forms as conceived by the reason, as is evident from what was said above (Article 5). But since nature is determinate to one thing, nor can a process of nature go on to infinity, there must needs be some ultimate form, giving a specific difference, after which no further specific difference is possible. Hence it is that in natural things, that which is accidental to a thing, cannot be taken as a difference constituting the species. But the process of reason is not fixed to one particular term, for at any point it can still proceed further. And consequently that which, in one action, is taken as a circumstance added to the object that specifies the action, can again be taken by the directing reason, as the principal condition of the object that determines the action's species. Thus to appropriate another's property is specified by reason of the property being "another's," and in this respect it is placed in the species of theft; and if we consider that action also in its bearing on place or time, then this will be an additional circumstance. But since the reason can direct as to place, time, and the like, it may happen that the condition as to place, in relation to the object, is considered as being in disaccord with reason: for instance, reason forbids damage to be done to a holy place. Consequently to steal from a holy place has an additional repugnance to the order of reason. And thus place, which was first of all considered as a circumstance, is considered here as the principal condition of the object, and as itself repugnant to reason. And in this way, whenever a circumstance has a special relation to reason, either for or against, it must needs specify the moral action whether good or bad.

Reply to Objection 1. A circumstance, in so far as it specifies an action, is considered as a condition of the object, as stated above, and as being, as it were, a specific difference thereof.

Reply to Objection 2. A circumstance, so long as it is but a circumstance, does not specify an action, since thus it is a mere accident: but when it becomes a principal condition of the object, then it does specify the action.

Reply to Objection 3. It is not every circumstance that places the moral action in the species of good or evil; since not every circumstance implies accord or disaccord with reason. Consequently, although one action may have many circumstances, it does not follow that it is in many species. Nevertheless there is no reason why one action should not be in several, even disparate, moral species, as said above (Article 7, Reply to Objection 1; I-II:1:3 ad 3).


Whether every circumstance that makes an action better or worse, places a moral action in a species of good or evil?

Objection 1. It would seem that every circumstance relating to good or evil, specifies an action. For good and evil are specific differences of moral actions. Therefore that which causes a difference in the goodness or malice of a moral action, causes a specific difference, which is the same as to make it differ in species. Now that which makes an action better or worse, makes it differ in goodness and malice. Therefore it causes it to differ in species. Therefore every circumstance that makes an action better or worse, constitutes a species.

Objection 2. Further, an additional circumstance either has in itself the character of goodness or malice, or it has not. If not, it cannot make the action better or worse; because what is not good, cannot make a greater good; and what is not evil, cannot make a greater evil. But if it has in itself the character of good or evil, for this very reason it has a certain species of good or evil. Therefore every circumstance that makes an action better or worse, constitutes a new species of good or evil.

Objection 3. Further, according to Dionysius (Div. Nom. iv), "evil is caused by each single defect." Now every circumstance that increases malice, has a special defect. Therefore every such circumstance adds a new species of sin. And for the same reason, every circumstance that increases goodness, seems to add a new species of goodness: just as every unity added to a number makes a new species of number; since the good consists in "number, weight, and measure" (I:5:5).

On the contrary, More and less do not change a species. But more and less is a circumstance of additional goodness or malice. Therefore not every circumstance that makes a moral action better or worse, places it in a species of good or evil.

I answer that, As stated above (Article 10), a circumstance gives the species of good or evil to a moral action, in so far as it regards a special order of reason. Now it happens sometimes that a circumstance does not regard a special order of reason in respect of good or evil, except on the supposition of another previous circumstance, from which the moral action takes its species of good or evil. Thus to take something in a large or small quantity, does not regard the order of reason in respect of good or evil, except a certain other condition be presupposed, from which the action takes its malice or goodness; for instance, if what is taken belongs to another, which makes the action to be discordant with reason. Wherefore to take what belongs to another in a large or small quantity, does not change the species of the sin. Nevertheless it can aggravate or diminish the sin. The same applies to other evil or good actions. Consequently not every circumstance that makes a moral action better or worse, changes its species.

Reply to Objection 1. In things which can be more or less intense, the difference of more or less does not change the species: thus by differing in whiteness through being more or less white a thing is not changed in regard to its species of color. In like manner that which makes an action to be more or less good or evil, does not make the action differ in species.

Reply to Objection 2. A circumstance that aggravates a sin, or adds to the goodness of an action, sometimes has no goodness or malice in itself, but in regard to some other condition of the action, as stated above. Consequently it does not add a new species, but adds to the goodness or malice derived from this other condition of the action.

Reply to Objection 3. A circumstance does not always involve a distinct defect of its own; sometimes it causes a defect in reference to something else. In like manner a circumstance does not always add further perfection, except in reference to something else. And, for as much as it does, although it may add to the goodness or malice, it does not always change the species of good or evil.

The Summa Theologiæ of St. Thomas AquinasSecond and Revised Edition, 1920Literally translated by Fathers of the English Dominican ProvinceOnline Edition Copyright © 2017 by Kevin Knight Nihil Obstat. F. Innocentius Apap, O.P., S.T.M., Censor. Theol.Imprimatur. Edus. Canonicus Surmont, Vicarius Generalis. Westmonasterii.APPROBATIO ORDINISNihil Obstat. F. Raphael Moss, O.P., S.T.L. and F. Leo Moore, O.P., S.T.L.Imprimatur. F. Beda Jarrett, O.P., S.T.L., A.M., Prior Provincialis AngliæMARIÆ IMMACULATÆ - SEDI SAPIENTIÆ

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Whether the goodness of the will depends on the object?

Objection 1. It would seem that the goodness of the will does not depend on the object. For the will cannot be directed otherwise than to what is good: since "evil is outside the scope of the will," as Dionysius says (Div. Nom. iv). If therefore the goodness of the will depended on the object, it would follow that every act of the will is good, and none bad.

Objection 2. Further, good is first of all in the end: wherefore the goodness of the end, as such, does not depend on any other. But, according to the Philosopher (Ethic. vi, 5), "goodness of action is the end, but goodness of making is never the end": because the latter is always ordained to the thing made, as to its end. Therefore the goodness of the act of the will does not depend on any object.

Objection 3. Further, such as a thing is, such does it make a thing to be. But the object of the will is good, by reason of the goodness of nature. Therefore it cannot give moral goodness to the will. Therefore the moral goodness of the will does not depend on the object.

On the contrary, the Philosopher says (Ethic. v, 1) that justice is that habit "from which men wish for just things": and accordingly, virtue is a habit from which men wish for good things. But a good will is one which is in accordance with virtue. Therefore the goodness of the will is from the fact that a man wills that which is good.

I answer that, Good and evil are essential differences of the act of the will. Because good and evil of themselves regard the will; just as truth and falsehood regard reason; the act of which is divided essentially by the difference of truth and falsehood, for as much as an opinion is said to be true or false. Consequently good and evil will are acts differing in species. Now the specific difference in acts is according to objects, as stated above (I-II:18:5). Therefore good and evil in the acts of the will is derived properly from the objects.

Reply to Objection 1. The will is not always directed to what is truly good, but sometimes to the apparent good; which has indeed some measure of good, but not of a good that is simply suitable to be desired. Hence it is that the act of the will is not always good, but sometimes evil.

Reply to Objection 2. Although an action can, in a certain way, be man's last end; nevertheless such action is not an act of the will, as stated above (I-II:1:1 ad 2).

Reply to Objection 3. Good is presented to the will as its object by the reason: and in so far as it is in accord with reason, it enters the moral order, and causes moral goodness in the act of the will: because the reason is the principle of human and moral acts, as stated above (I-II:18:5).


Whether the goodness of the will depends on the object alone?

Objection 1. It would seem that the goodness of the will does not depend on the object alone. For the end has a closer relationship to the will than to any other power. But the acts of the other powers derive goodness not only from the object but also from the end, as we have shown above (I-II:18:4). Therefore the act also of the will derives goodness not only from the object but also from the end.

Objection 2. Further, the goodness of an action is derived not only from the object but also from the circumstances, as stated above (I-II:18:3). But according to the diversity of circumstances there may be diversity of goodness and malice in the act of the will: for instance, if a man will, when he ought, where he ought, as much as he ought, and how he ought, or if he will as he ought not. Therefore the goodness of the will depends not only on the object, but also on the circumstances.

Objection 3. Further, ignorance of circumstances excuses malice of the will, as stated above (I-II:6:8). But it would not be so, unless the goodness or malice of the will depended on the circumstances. Therefore the goodness and malice of the will depend on the circumstances, and not only on the object.

On the contrary, An action does not take its species from the circumstances as such, as stated above (I-II:18:10 ad 2). But good and evil are specific differences of the act of the will, as stated above (Article 1). Therefore the goodness and malice of the will depend, not on the circumstances, but on the object alone.

I answer that, In every genus, the more a thing is first, the more simple it is, and the fewer the principles of which it consists: thus primary bodies are simple. Hence it is to be observed that the first things in every genus, are, in some way, simple and consist of one principle. Now the principle of the goodness and malice of human actions is taken from the act of the will. Consequently the goodness and malice of the act of the will depend on some one thing; while the goodness and malice of other acts may depend on several things.

Now that one thing which is the principle in each genus, is not something accidental to that genus, but something essential thereto: because whatever is accidental is reduced to something essential, as to its principle. Therefore the goodness of the will's act depends on that one thing alone, which of itself causes goodness in the act; and that one thing is the object, and not the circumstances, which are accidents, as it were, of the act.

Reply to Objection 1. The end is the object of the will, but not of the other powers. Hence, in regard to the act of the will, the goodness derived from the object, does not differ from that which is derived from the end, as they differ in the acts of the other powers; except perhaps accidentally, in so far as one end depends on another, and one act of the will on another.

Reply to Objection 2. Given that the act of the will is fixed on some good, no circumstances can make that act bad. Consequently when it is said that a man wills a good when he ought not, or where he ought not, this can be understood in two ways. First, so that this circumstance is referred to the thing willed. And thus the act of the will is not fixed on something good: since to will to do something when it ought not to be done, is not to will something good. Secondly, so that the circumstance is referred to the act of willing. And thus, it is impossible to will something good when one ought not to, because one ought always to will what is good: except, perhaps, accidentally, in so far as a man by willing some particular good, is prevented from willing at the same time another good which he ought to will at that time. And then evil results, not from his willing that particular good, but from his not willing the other. The same applies to the other circumstances.

Reply to Objection 3. Ignorance of circumstances excuses malice of the will, in so far as the circumstance affects the thing willed: that is to say, in so far as a man ignores the circumstances of the act which he wills.


Whether the goodness of the will depends on reason?

Objection 1. It would seem that the goodness of the will does not depend on reason. For what comes first does not depend on what follows. But the good belongs to the will before it belongs to reason, as is clear from what has been said above (I-II:9:1). Therefore the goodness of the will does not depend on reason.

Objection 2. Further, the Philosopher says (Ethic. vi, 2) that the goodness of the practical intellect is "a truth that is in conformity with right desire." But right desire is a good will. Therefore the goodness of the practical reason depends on the goodness of the will, rather than conversely.

Objection 3. Further, the mover does not depend on that which is moved, but vice versa. But the will moves the reason and the other powers, as stated above (I-II:9:1). Therefore the goodness of the will does not depend on reason.

On the contrary, Hilary says (De Trin. x): "It is an unruly will that persists in its desires in opposition to reason." But the goodness of the will consists in not being unruly. Therefore the goodness of the will depends on its being subject to reason.

I answer that, As stated above (Articles 1 and 2), the goodness of the will depends properly on the object. Now the will's object is proposed to it by reason. Because the good understood is the proportionate object of the will; while sensitive or imaginary good is proportionate not to the will but to the sensitive appetite: since the will can tend to the universal good, which reason apprehends; whereas the sensitive appetite tends only to the particular good, apprehended by the sensitive power. Therefore the goodness of the will depends on reason, in the same way as it depends on the object.

Reply to Objection 1. The good considered as such, i.e. as appetible, pertains to the will before pertaining to the reason. But considered as true it pertains to the reason, before, under the aspect of goodness, pertaining to the will: because the will cannot desire a good that is not previously apprehended by reason.

Reply to Objection 2. The Philosopher speaks here of the practical intellect, in so far as it counsels and reasons about the means: for in this respect it is perfected by prudence. Now in regard to the means, the rectitude of the reason depends on its conformity with the desire of a due end: nevertheless the very desire of the due end presupposes on the part of reason a right apprehension of the end.

Reply to Objection 3. The will moves the reason in one way: the reason moves the will in another, viz. on the part of the object, as stated above (I-II:9:01).


Whether the goodness of the will depends on the eternal law?

Objection 1. It would seem that the goodness of the human will does not depend on the eternal law. Because to one thing there is one rule and one measure. But the rule of the human will, on which its goodness depends, is right reason. Therefore the goodness of the will does not depend on the eternal law.

Objection 2. Further, "a measure is homogeneous with the thing measured" (Metaph. x, 1). But the eternal law is not homogeneous with the human will. Therefore the eternal law cannot be the measure on which the goodness of the human will depends.

Objection 3. Further, a measure should be most certain. But the eternal law is unknown to us. Therefore it cannot be the measure on which the goodness of our will depends.

On the contrary, Augustine says (Contra Faust. xxii, 27) that "sin is a deed, word or desire against the eternal law." But malice of the will is the root of sin. Therefore, since malice is contrary to goodness, the goodness of the will depends on the eternal law.

I answer that, Wherever a number of causes are subordinate to one another, the effect depends more on the first than on the second cause: since the second cause acts only in virtue of the first. Now it is from the eternal law, which is the Divine Reason, that human reason is the rule of the human will, from which the human derives its goodness. Hence it is written (Psalm 4:6-7): "Many say: Who showeth us good things? The light of Thy countenance, O Lord, is signed upon us": as though to say: "The light of our reason is able to show us good things, and guide our will, in so far as it is the light (i.e. derived from) Thy countenance." It is therefore evident that the goodness of the human will depends on the eternal law much more than on human reason: and when human reason fails we must have recourse to the Eternal Reason.

Reply to Objection 1. To one thing there are not several proximate measures; but there can be several measures if one is subordinate to the other.

Reply to Objection 2. A proximate measure is homogeneous with the thing measured; a remote measure is not.

Reply to Objection 3. Although the eternal law is unknown to us according as it is in the Divine Mind: nevertheless, it becomes known to us somewhat, either by natural reason which is derived therefrom as its proper image; or by some sort of additional revelation.


Whether the will is evil when it is at variance with erring reason?

Objection 1. It would seem that the will is not evil when it is at variance with erring reason. Because the reason is the rule of the human will, in so far as it is derived from the eternal law, as stated above (Article 4). But erring reason is not derived from the eternal law. Therefore erring reason is not the rule of the human will. Therefore the will is not evil, if it be at variance with erring reason.

Objection 2. Further, according to Augustine, the command of a lower authority does not bind if it be contrary to the command of a higher authority: for instance, if a provincial governor command something that is forbidden by the emperor. But erring reason sometimes proposes what is against the command of a higher power, namely, God Whose power is supreme. Therefore the decision of an erring reason does not bind. Consequently the will is not evil if it be at variance with erring reason.

Objection 3. Further, every evil will is reducible to some species of malice. But the will that is at variance with erring reason is not reducible to some species of malice. For instance, if a man's reason err in telling him to commit fornication, his will in not willing to do so, cannot be reduced to any species of malice. Therefore the will is not evil when it is at variance with erring reason.

On the contrary, As stated in the I:79:13, conscience is nothing else than the application of knowledge to some action. Now knowledge is in the reason. Therefore when the will is at variance with erring reason, it is against conscience. But every such will is evil; for it is written (Romans 14:23): "All that is not of faith"—i.e. all that is against conscience—"is sin." Therefore the will is evil when it is at variance with erring reason.

I answer that, Since conscience is a kind of dictate of the reason (for it is an application of knowledge to action, as was stated in the I:19:13), to inquire whether the will is evil when it is at variance with erring reason, is the same as to inquire "whether an erring conscience binds." On this matter, some distinguished three kinds of actions: for some are good generically; some are indifferent; some are evil generically. And they say that if reason or conscience tell us to do something which is good generically, there is no error: and in like manner if it tell us not to do something which is evil generically; since it is the same reason that prescribes what is good and forbids what is evil. On the other hand if a man's reason or conscience tells him that he is bound by precept to do what is evil in itself; or that what is good in itself, is forbidden, then his reason or conscience errs. In like manner if a man's reason or conscience tell him, that what is indifferent in itself, for instance to raise a straw from the ground, is forbidden or commanded, his reason or conscience errs. They say, therefore, that reason or conscience when erring in matters of indifference, either by commanding or by forbidding them, binds: so that the will which is at variance with that erring reason is evil and sinful. But they say that when reason or conscience errs in commanding what is evil in itself, or in forbidding what is good in itself and necessary for salvation, it does not bind; wherefore in such cases the will which is at variance with erring reason or conscience is not evil.

But this is unreasonable. For in matters of indifference, the will that is at variance with erring reason or conscience, is evil in some way on account of the object, on which the goodness or malice of the will depends; not indeed on account of the object according as it is in its own nature; but according as it is accidentally apprehended by reason as something evil to do or to avoid. And since the object of the will is that which is proposed by the reason, as stated above (Article 3), from the very fact that a thing is proposed by the reason as being evil, the will by tending thereto becomes evil. And this is the case not only in indifferent matters, but also in those that are good or evil in themselves. For not only indifferent matters can received the character of goodness or malice accidentally; but also that which is good, can receive the character of evil, or that which is evil, can receive the character of goodness, on account of the reason apprehending it as such. For instance, to refrain from fornication is good: yet the will does not tend to this good except in so far as it is proposed by the reason. If, therefore, the erring reason propose it as an evil, the will tends to it as to something evil. Consequently the will is evil, because it wills evil, not indeed that which is evil in itself, but that which is evil accidentally, through being apprehended as such by the reason. In like manner, to believe in Christ is good in itself, and necessary for salvation: but the will does not tend thereto, except inasmuch as it is proposed by the reason. Consequently if it be proposed by the reason as something evil, the will tends to it as to something evil: not as if it were evil in itself, but because it is evil accidentally, through the apprehension of the reason. Hence the Philosopher says (Ethic. vii, 9) that "properly speaking the incontinent man is one who does not follow right reason; but accidentally, he is also one who does not follow false reason." We must therefore conclude that, absolutely speaking, every will at variance with reason, whether right or erring, is always evil.

Reply to Objection 1. Although the judgment of an erring reason is not derived from God, yet the erring reason puts forward its judgment as being true, and consequently as being derived from God, from Whom is all truth.

Reply to Objection 2. The saying of Augustine holds good when it is known that the inferior authority prescribes something contrary to the command of the higher authority. But if a man were to believe the command of the proconsul to be the command of the emperor, in scorning the command of the proconsul he would scorn the command of the emperor. In like manner if a man were to know that human reason was dictating something contrary to God's commandment, he would not be bound to abide by reason: but then reason would not be entirely erroneous. But when erring reason proposes something as being commanded by God, then to scorn the dictate of reason is to scorn the commandment of God.

Reply to Objection 3. Whenever reason apprehends something as evil, it apprehends it under some species of evil; for instance, as being something contrary to a divine precept, or as giving scandal, or for some such like reason. And then that evil is reduced to that species of malice.


Whether the will is good when it abides by erring reason?

Objection 1. It would seem that the will is good when it abides by erring reason. For just as the will, when at variance with the reason, tends to that which reason judges to be evil; so, when in accord with reason, it tends to what reason judges to be good. But the will is evil when it is at variance with reason, even when erring. Therefore even when it abides by erring reason, the will is good.

Objection 2. Further, the will is always good, when it abides by the commandment of God and the eternal law. But the eternal law and God's commandment are proposed to us by the apprehension of the reason, even when it errs. Therefore the will is good, even when it abides by erring reason.

Objection 3. Further, the will is evil when it is at variance with erring reason. If, therefore, the will is evil also when it abides by erring reason, it seems that the will is always evil when in conjunction with erring reason: so that in such a case a man would be in a dilemma, and, of necessity, would sin: which is unreasonable. Therefore the will is good when it abides by erring reason.

On the contrary, The will of those who slew the apostles was evil. And yet it was in accord with the erring reason, according to John 16:2: "The hour cometh, that whosoever killeth you, will think that he doth a service to God." Therefore the will can be evil, when it abides by erring reason.

I answer that, Whereas the previous question is the same as inquiring "whether an erring conscience binds"; so this question is the same as inquiring "whether an erring conscience excuses." Now this question depends on what has been said above about ignorance. For it was said (I-II:6:8) that ignorance sometimes causes an act to be involuntary, and sometimes not. And since moral good and evil consist in action in so far as it is voluntary, as was stated above (Article 2); it is evident that when ignorance causes an act to be involuntary, it takes away the character of moral good and evil; but not, when it does not cause the act to be involuntary. Again, it has been stated above (I-II:6:8) that when ignorance is in any way willed, either directly or indirectly, it does not cause the act to be involuntary. And I call that ignorance "directly" voluntary, to which the act of the will tends: and that, "indirectly" voluntary, which is due to negligence, by reason of a man not wishing to know what he ought to know, as stated above (I-II:6:8).

If then reason or conscience err with an error that is voluntary, either directly, or through negligence, so that one errs about what one ought to know; then such an error of reason or conscience does not excuse the will, that abides by that erring reason or conscience, from being evil. But if the error arise from ignorance of some circumstance, and without any negligence, so that it cause the act to be involuntary, then that error of reason or conscience excuses the will, that abides by that erring reason, from being evil. For instance, if erring reason tell a man that he should go to another man's wife, the will that abides by that erring reason is evil; since this error arises from ignorance of the Divine Law, which he is bound to know. But if a man's reason, errs in mistaking another for his wife, and if he wish to give her her right when she asks for it, his will is excused from being evil: because this error arises from ignorance of a circumstance, which ignorance excuses, and causes the act to be involuntary.

Reply to Objection 1. As Dionysius says (Div. Nom. iv), "good results from the entire cause, evil from each particular defect." Consequently in order that the thing to which the will tends be called evil, it suffices, either that it be evil in itself, or that it be apprehended as evil. But in order for it to be good, it must be good in both ways.

Reply to Objection 2. The eternal law cannot err, but human reason can. Consequently the will that abides by human reason, is not always right, nor is it always in accord with the eternal law.

Reply to Objection 3. Just as in syllogistic arguments, granted one absurdity, others must needs follow; so in moral matters, given one absurdity, others must follow too. Thus suppose a man to seek vainglory, he will sin, whether he does his duty for vainglory or whether he omit to do it. Nor is he in a dilemma about the matter: because he can put aside his evil intention. In like manner, suppose a man's reason or conscience to err through inexcusable ignorance, then evil must needs result in the will. Nor is this man in a dilemma: because he can lay aside his error, since his ignorance is vincible and voluntary.


Whether the goodness of the will, as regards the means, depends on the intention of the end?

Objection 1. It would seem that the goodness of the will does not depend on the intention of the end. For it has been stated above (Article 2) that the goodness of the will depends on the object alone. But as regards the means, the object of the will is one thing, and the end intended is another. Therefore in such matters the goodness of the will does not depend on the intention of the end.

Objection 2. Further, to wish to keep God's commandment, belongs to a good will. But this can be referred to an evil end, for instance, to vainglory or covetousness, by willing to obey God for the sake of temporal gain. Therefore the goodness of the will does not depend on the intention of the end.

Objection 3. Further, just as good and evil diversify the will, so do they diversify the end. But malice of the will does not depend on the malice of the end intended; since a man who wills to steal in order to give alms, has an evil will, although he intends a good end. Therefore neither does the goodness of the will depend on the goodness of the end intended.

On the contrary, Augustine says (Confess. ix, 3) that God rewards the intention. But God rewards a thing because it is good. Therefore the goodness of the will depends on the intention of the end.

I answer that, The intention may stand in a twofold relation to the act of the will; first, as preceding it, secondly as following [Leonine edn.: 'accompanying'] it. The intention precedes the act of the will causally, when we will something because we intend a certain end. And then the order to the end is considered as the reason of the goodness of the thing willed: for instance, when a man wills to fast for God's sake; because the act of fasting is specifically good from the very fact that it is done for God's sake. Wherefore, since the goodness of the will depends on the goodness of the thing willed, as stated above (Articles 1 and 2), it must, of necessity, depend on the intention of the end.

On the other hand, intention follows the act of the will, when it is added to a preceding act of the will; for instance, a man may will to do something, and may afterwards refer it to God. And then the goodness of the previous act of the will does not depend on the subsequent intention, except in so far as that act is repeated with the subsequent intention.

Reply to Objection 1. When the intention is the cause of the act of willing, the order to the end is considered as the reason of the goodness of the object, as stated above.

Reply to Objection 2. The act of the will cannot be said to be good, if an evil intention is the cause of willing. For when a man wills to give an alms for the sake of vainglory, he wills that which is good in itself, under a species of evil; and therefore, as willed by him, it is evil. Wherefore his will is evil. If, however, the intention is subsequent to the act of the will, then the latter may be good: and the intention does not spoil that act of the will which preceded, but that which is repeated.

Reply to Objection 3. As we have already stated (Article 6, Reply to Objection 1), "evil results from each particular defect, but good from the whole and entire cause." Hence, whether the will tend to what is evil in itself, even under the species of good; or to the good under the species of evil, it will be evil in either case. But in order for the will to be good, it must tend to the good under the species of good; in other words, it must will the good for the sake of the good.


Whether the degree of goodness or malice in the will depends on the degree of good or evil in the intention?

Objection 1. It would seem that the degree of goodness in the will depends on the degree of good in the intention. Because on Matthew 12:35, "A good man out of the good treasure of his heart bringeth forth that which is good," a gloss says: "A man does as much good as he intends." But the intention gives goodness not only to the external action, but also to the act of the will, as stated above (Article 7). Therefore the goodness of a man's will is according to the goodness of his intention.

Objection 2. Further, if you add to the cause, you add to the effect. But the goodness of the intention is the cause of the good will. Therefore a man's will is good, according as his intention is good.

Objection 3. Further, in evil actions, a man sins in proportion to his intention: for if a man were to throw a stone with a murderous intention, he would be guilty of murder. Therefore, for the same reason, in good actions, the will is good in proportion to the good intended.

On the contrary, The intention can be good, while the will is evil. Therefore, for the same reason, the intention can be better, and the will less good.

I answer that, In regard to both the act, and the intention of the end, we may consider a twofold quantity: one, on the part of the object, by reason of a man willing or doing a good that is greater; the other, taken from the intensity of the act, according as a man wills or acts intensely; and this is more on the part of the agent.

If then we speak of these respective quantities from the point of view of the object, it is evident that the quantity in the act does not depend on the quantity in the intention. With regard to the external act this may happen in two ways. First, through the object that is ordained to the intended end not being proportionate to that end; for instance, if a man were to give ten pounds, he could not realize his intention, if he intended to buy a thing worth a hundred pounds. Secondly, on account of the obstacles that may supervene in regard to the exterior action, which obstacles we are unable to remove: for instance, a man intends to go to Rome, and encounters obstacles, which prevent him from going. On the other hand, with regard to the interior act of the will, this happens in only one way: because the interior acts of the will are in our power, whereas the external actions are not. But the will can will an object that is not proportionate to the intended end: and thus the will that tends to that object considered absolutely, is not so good as the intention. Yet because the intention also belongs, in a way, to the act of the will, inasmuch, to wit, as it is the reason thereof; it comes to pass that the quantity of goodness in the intention redounds upon the act of the will; that is to say, in so far as the will wills some great good for an end, although that by which it wills to gain so great a good, is not proportionate to that good.

But if we consider the quantity in the intention and in the act, according to their respective intensity, then the intensity of the intention redounds upon the interior act and the exterior act of the will: since the intention stands in relation to them as a kind of form, as is clear from what has been said above (I-II:12:4; I-II:18:6). And yet considered materially, while the intention is intense, the interior or exterior act may be not so intense, materially speaking: for instance, when a man does not will with as much intensity to take medicine as he wills to regain health. Nevertheless the very fact of intending health intensely, redounds, as a formal principle, upon the intense volition of medicine.

We must observe, however, that the intensity of the interior or exterior act, may be referred to the intention as its object: as when a man intends to will intensely, or to do something intensely. And yet it does not follow that he wills or acts intensely; because the quantity of goodness in the interior or exterior act does not depend on the quantity of the good intended, as is shown above. And hence it is that a man does not merit as much as he intends to merit: because the quantity of merit is measured by the intensity of the act, as we shall show later on (I-II:20:4; I-II:114:4).

Reply to Objection 1. This gloss speaks of good as in the estimation of God, Who considers principally the intention of the end. Wherefore another gloss says on the same passage that "the treasure of the heart is the intention, according to which God judges our works." For the goodness of the intention, as stated above, redounds, so to speak, upon the goodness of the will, which makes even the external act to be meritorious in God's sight.

Reply to Objection 2. The goodness of the intention is not the whole cause of a good will. Hence the argument does not prove.

Reply to Objection 3. The mere malice of the intention suffices to make the will evil: and therefore too, the will is as evil as the intention is evil. But the same reasoning does not apply to goodness, as stated above (Reply to Objection 2).


Whether the goodness of the will depends on its conformity to the Divine will?

Objection 1. It would seem that the goodness of the human will does not depend on its conformity to the Divine will. Because it is impossible for man's will to be conformed to the Divine will; as appears from the word of Isaiah 55:9: "As the heavens are exalted above the earth, so are My ways exalted above your ways, and My thoughts above your thoughts." If therefore goodness of the will depended on its conformity to the Divine will, it would follow that it is impossible for man's will to be good. Which is inadmissible.

Objection 2. Further, just as our wills arise from the Divine will, so does our knowledge flow from the Divine knowledge. But our knowledge does not require to be conformed to God's knowledge; since God knows many things that we know not. Therefore there is no need for our will to be conformed to the Divine will.

Objection 3. Further, the will is a principle of action. But our action cannot be conformed to God's. Therefore neither can our will be conformed to His.

On the contrary, It is written (Matthew 26:39): "Not as I will, but as Thou wilt": which words He said, because "He wishes man to be upright and to tend to God," as Augustine expounds in the Enchiridion [Enarr. in Ps. 32, serm. i.]. But the rectitude of the will is its goodness. Therefore the goodness of the will depends on its conformity to the Divine will.

I answer that, As stated above (Article 7), the goodness of the will depends on the intention of the end. Now the last end of the human will is the Sovereign Good, namely, God, as stated above (I-II:1:8; I-II:3:1). Therefore the goodness of the human will requires it to be ordained to the Sovereign Good, that is, to God.

Now this Good is primarily and essentially compared to the Divine will, as its proper object. Again, that which is first in any genus is the measure and rule of all that belongs to that genus. Moreover, everything attains to rectitude and goodness, in so far as it is in accord with its proper measure. Therefore, in order that man's will be good it needs to be conformed to the Divine will.

Reply to Objection 1. The human will cannot be conformed to the will of God so as to equal it, but only so as to imitate it. In like manner human knowledge is conformed to the Divine knowledge, in so far as it knows truth: and human action is conformed to the Divine, in so far as it is becoming to the agent: and this by way of imitation, not by way of equality.

From the above may be gathered the replies to the Second and Third Objections.


Whether it is necessary for the human will, in order to be good, to be conformed to the Divine will, as regards the thing willed?

Objection 1. It would seem that the human will need not always be conformed to the Divine will, as regards the thing willed. For we cannot will what we know not: since the apprehended good is the object of the will. But in many things we know not what God wills. Therefore the human will cannot be conformed to the Divine will as to the thing willed.

Objection 2. Further, God wills to damn the man whom He foresees about to die in mortal sin. If therefore man were bound to conform his will to the Divine will, in the point of the thing willed, it would follow that a man is bound to will his own damnation. Which is inadmissible.

Objection 3. Further, no one is bound to will what is against filial piety. But if man were to will what God wills, this would sometimes be contrary to filial piety: for instance, when God wills the death of a father: if his son were to will it also, it would be against filial piety. Therefore man is not bound to conform his will to the Divine will, as to the thing willed.

On the contrary, (1) On Psalm 32:1, "Praise becometh the upright," a gloss says: "That man has an upright heart, who wills what God wills." But everyone is bound to have an upright heart. Therefore everyone is bound to will what God wills.

(2) Moreover, the will takes its form from the object, as does every act. If therefore man is bound to conform his will to the Divine will, it follows that he is bound to conform it, as to the thing willed.

(3) Moreover, opposition of wills arises from men willing different things. But whoever has a will in opposition to the Divine will, has an evil will. Therefore whoever does not conform his will to the Divine will, as to the thing willed, has an evil will.

I answer that, As is evident from what has been said above (Articles 3 and 5), the will tends to its object, according as it is proposed by the reason. Now a thing may be considered in various ways by the reason, so as to appear good from one point of view, and not good from another point of view. And therefore if a man's will wills a thing to be, according as it appears to be good, his will is good: and the will of another man, who wills that thing not to be, according as it appears evil, is also good. Thus a judge has a good will, in willing a thief to be put to death, because this is just: while the will of another—e.g. the thief's wife or son, who wishes him not to be put to death, inasmuch as killing is a natural evil, is also good.

Now since the will follows the apprehension of the reason or intellect; the more universal the aspect of the apprehended good, the more universal the good to which the will tends. This is evident in the example given above: because the judge has care of the common good, which is justice, and therefore he wishes the thief's death, which has the aspect of good in relation to the common estate; whereas the thief's wife has to consider the private, the good of the family, and from this point of view she wishes her husband, the thief, not to be put to death. Now the good of the whole universe is that which is apprehended by God, Who is the Maker and Governor of all things: hence whatever He wills, He wills it under the aspect of the common good; this is His own Goodness, which is the good of the whole universe. On the other hand, the apprehension of a creature, according to its nature, is of some particular good, proportionate to that nature. Now a thing may happen to be good under a particular aspect, and yet not good under a universal aspect, or vice versa, as stated above. And therefore it comes to pass that a certain will is good from willing something considered under a particular aspect, which thing God wills not, under a universal aspect, and vice versa. And hence too it is, that various wills of various men can be good in respect of opposite things, for as much as, under various aspects, they wish a particular thing to be or not to be.

But a man's will is not right in willing a particular good, unless he refer it to the common good as an end: since even the natural appetite of each part is ordained to the common good of the whole. Now it is the end that supplies the formal reason, as it were, of willing whatever is directed to the end. Consequently, in order that a man will some particular good with a right will, he must will that particular good materially, and the Divine and universal good, formally. Therefore the human will is bound to be conformed to the Divine will, as to that which is willed formally, for it is bound to will the Divine and universal good; but not as to that which is willed materially, for the reason given above.

At the same time in both these respects, the human will is conformed to the Divine, in a certain degree. Because inasmuch as it is conformed to the Divine will in the common aspect of the thing willed, it is conformed thereto in the point of the last end. While, inasmuch as it is not conformed to the Divine will in the thing willed materially, it is conformed to that will considered as efficient cause; since the proper inclination consequent to nature, or to the particular apprehension of some particular thing, comes to a thing from God as its efficient cause. Hence it is customary to say that a man's will, in this respect, is conformed to the Divine will, because it wills what God wishes him to will.

There is yet another kind of conformity in respect of the formal cause, consisting in man's willing something from charity, as God wills it. And this conformity is also reduced to the formal conformity, that is in respect of the last end, which is the proper object of charity.

Reply to Objection 1. We can know in a general way what God wills. For we know that whatever God wills, He wills it under the aspect of good. Consequently whoever wills a thing under any aspect of good, has a will conformed to the Divine will, as to the reason of the thing willed. But we know not what God wills in particular: and in this respect we are not bound to conform our will to the Divine will.

But in the state of glory, every one will see in each thing that he wills, the relation of that thing to what God wills in that particular matter. Consequently he will conform his will to God in all things not only formally, but also materially.

Reply to Objection 2. God does not will the damnation of a man, considered precisely as damnation, nor a man's death, considered precisely as death, because, "He wills all men to be saved" (1 Timothy 2:4); but He wills such things under the aspect of justice. Wherefore in regard to such things it suffices for man to will the upholding of God's justice and of the natural order.

Wherefore the reply to the Third Objection is evident.

To the first argument advanced in a contrary sense, it should be said that a man who conforms his will to God's, in the aspect of reason of the thing willed, wills what God wills, more than the man, who conforms his will to God's, in the point of the very thing willed; because the will tends more to the end, than to that which is on account of the end.

To the second, it must be replied that the species and form of an act are taken from the object considered formally, rather than from the object considered materially.

To the third, it must be said that there is no opposition of wills when several people desire different things, but not under the same aspect: but there is opposition of wills, when under one and the same aspect, one man wills a thing which another wills not. But there is no question of this here.

The Summa Theologiæ of St. Thomas AquinasSecond and Revised Edition, 1920Literally translated by Fathers of the English Dominican ProvinceOnline Edition Copyright © 2017 by Kevin Knight Nihil Obstat. F. Innocentius Apap, O.P., S.T.M., Censor. Theol.Imprimatur. Edus. Canonicus Surmont, Vicarius Generalis. Westmonasterii.APPROBATIO ORDINISNihil Obstat. F. Raphael Moss, O.P., S.T.L. and F. Leo Moore, O.P., S.T.L.Imprimatur. F. Beda Jarrett, O.P., S.T.L., A.M., Prior Provincialis AngliæMARIÆ IMMACULATÆ - SEDI SAPIENTIÆ

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Whether goodness or malice is first in the action of the will, or in the external action?

Objection 1. It would seem that good and evil are in the external action prior to being in the act of the will. For the will derives goodness from its object, as stated above (I-II:19:2). But the external action is the object of the interior act of the will: for a man is said to will to commit a theft, or to will to give an alms. Therefore good and evil are in the external action, prior to being in the act of the will.

Objection 2. Further, the aspect of good belongs first to the end: since what is directed to the end receives the aspect of good from its relation to the end. Now whereas the act of the will cannot be an end, as stated above (I-II:1:1 ad 2), the act of another power can be an end. Therefore good is in the act of some other power prior to being in the act of the will.

Objection 3. Further, the act of the will stands in a formal relation to the external action, as stated above (I-II:18:6). But that which is formal is subsequent; since form is something added to matter. Therefore good and evil are in the external action, prior to being in the act of the will.

On the contrary, Augustine says (Retract. i, 9) that "it is by the will that we sin, and that we behave aright." Therefore moral good and evil are first in the will.

I answer that, External actions may be said to be good or bad in two ways. First, in regard to their genus, and the circumstances connected with them: thus the giving of alms, if the required conditions be observed, is said to be good. Secondly, a thing is said to be good or evil, from its relation to the end: thus the giving of alms for vainglory is said to be evil. Now, since the end is the will's proper object, it is evident that this aspect of good or evil, which the external action derives from its relation to the end, is to be found first of all in the act of the will, whence it passes to the external action. On the other hand, the goodness or malice which the external action has of itself, on account of its being about due matter and its being attended by due circumstances, is not derived from the will, but rather from the reason. Consequently, if we consider the goodness of the external action, in so far as it comes from reason's ordination and apprehension, it is prior to the goodness of the act of the will: but if we consider it in so far as it is in the execution of the action done, it is subsequent to the goodness of the will, which is its principle.

Reply to Objection 1. The exterior action is the object of the will, inasmuch as it is proposed to the will by the reason, as good apprehended and ordained by the reason: and thus it is prior to the good in the act of the will. But inasmuch as it is found in the execution of the action, it is an effect of the will, and is subsequent to the will.

Reply to Objection 2. The end precedes in the order of intention, but follows in the order of execution.

Reply to Objection 3. A form as received into matter, is subsequent to matter in the order of generation, although it precedes it in the order of nature: but inasmuch as it is in the active cause, it precedes in every way. Now the will is compared to the exterior action, as its efficient cause. Wherefore the goodness of the act of the will, as existing in the active cause, is the form of the exterior action.


Whether the whole goodness and malice of the external action depends on the goodness of the will?

Objection 1. It would seem that the whole goodness and malice of the external action depend on the goodness of the will. For it is written (Matthew 7:18): "A good tree cannot bring forth evil fruit, neither can an evil tree bring forth good fruit." But, according to the gloss, the tree signifies the will, and fruit signifies works. Therefore, it is impossible for the interior act of the will to be good, and the external action evil, or vice versa.

Objection 2. Further, Augustine says (Retract. i, 9) that there is no sin without the will. If therefore there is no sin in the will, there will be none in the external action. And so the whole goodness or malice of the external action depends on the will.

Objection 3. Further, the good and evil of which we are speaking now are differences of the moral act. Now differences make an essential division in a genus, according to the Philosopher (Metaph. vii, 12). Since therefore an act is moral from being voluntary, it seems that goodness and malice in an act are derived from the will alone.

On the contrary, Augustine says (Contra Mendac. vii), that "there are some actions which neither a good end nor a good will can make good."

I answer that, As stated above (Article 1), we may consider a twofold goodness or malice in the external action: one in respect of due matter and circumstances; the other in respect of the order to the end. And that which is in respect of the order to the end, depends entirely on the will: while that which is in respect of due matter or circumstances, depends on the reason: and on this goodness depends the goodness of the will, in so far as the will tends towards it.

Now it must be observed, as was noted above (I-II:19:6 ad 1), that for a thing to be evil, one single defect suffices, whereas, for it to be good simply, it is not enough for it to be good in one point only, it must be good in every respect. If therefore the will be good, both from its proper object and from its end, if follows that the external action is good. But if the will be good from its intention of the end, this is not enough to make the external action good: and if the will be evil either by reason of its intention of the end, or by reason of the act willed, it follows that the external action is evil.

Reply to Objection 1. If the good tree be taken to signify the good will, it must be in so far as the will derives goodness from the act willed and from the end intended.

Reply to Objection 2. A man sins by his will, not only when he wills an evil end; but also when he wills an evil act.

Reply to Objection 3. Voluntariness applies not only to the interior act of the will, but also to external actions, inasmuch as they proceed from the will and the reason. Consequently the difference of good and evil is applicable to both the interior and external act.


Whether the goodness and malice of the external action are the same as those of the interior act?

Objection 1. It would seem that the goodness and malice of the interior act of the will are not the same as those of the external action. For the principle of the interior act is the interior apprehensive or appetitive power of the soul; whereas the principle of the external action is the power that accomplishes the movement. Now where the principles of action are different, the actions themselves are different. Moreover, it is the action which is the subject of goodness or malice: and the same accident cannot be in different subjects. Therefore the goodness of the interior act cannot be the same as that of the external action.

Objection 2. Further, "A virtue makes that, which has it, good, and renders its action good also" (Ethic. ii, 6). But the intellective virtue in the commanding power is distinct from the moral virtue in the power commanded, as is declared in Ethic. i, 13. Therefore the goodness of the interior act, which belongs to the commanding power, is distinct from the goodness of the external action, which belongs to the power commanded.

Objection 3. Further, the same thing cannot be cause and effect; since nothing is its own cause. But the goodness of the interior act is the cause of the goodness of the external action, or vice versa, as stated above (Articles 1 and 2). Therefore it is not the same goodness in each.

On the contrary, It was shown above (I-II:18:6) that the act of the will is the form, as it were, of the external action. Now that which results from the material and formal element is one thing. Therefore there is but one goodness of the internal and external act.

I answer that, As stated above (I-II:17:4), the interior act of the will, and the external action, considered morally, are one act. Now it happens sometimes that one and the same individual act has several aspects of goodness or malice, and sometimes that it has but one. Hence we must say that sometimes the goodness or malice of the interior act is the same as that of the external action, and sometimes not. For as we have already said (Articles 1 and 2), these two goodnesses or malices, of the internal and external acts, are ordained to one another. Now it may happen, in things that are subordinate to something else, that a thing is good merely from being subordinate; thus a bitter draught is good merely because it procures health. Wherefore there are not two goodnesses, one the goodness of health, and the other the goodness of the draught; but one and the same. On the other hand it happens sometimes that that which is subordinate to something else, has some aspect of goodness in itself, besides the fact of its being subordinate to some other good: thus a palatable medicine can be considered in the light of a pleasurable good, besides being conducive to health.

We must therefore say that when the external action derives goodness or malice from its relation to the end only, then there is but one and the same goodness of the act of the will which of itself regards the end, and of the external action, which regards the end through the medium of the act of the will. But when the external action has goodness or malice of itself, i.e. in regard to its matter and circumstances, then the goodness of the external action is distinct from the goodness of the will in regarding the end; yet so that the goodness of the end passes into the external action, and the goodness of the matter and circumstances passes into the act of the will, as stated above (Articles 1 and 2).

Reply to Objection 1. This argument proves that the internal and external actions are different in the physical order: yet distinct as they are in that respect, they combine to form one thing in the moral order, as stated above (I-II:17:4).

Reply to Objection 2. As stated in Ethic. vi, 12, a moral virtue is ordained to the act of that virtue, which act is the end, as it were, of that virtue; whereas prudence, which is in the reason, is ordained to things directed to the end. For this reason various virtues are necessary. But right reason in regard to the very end of a virtue has no other goodness than the goodness of that virtue, in so far as the goodness of the reason is participated in each virtue.

Reply to Objection 3. When a thing is derived by one thing from another, as from a univocal efficient cause, then it is not the same in both: thus when a hot thing heats, the heat of the heater is distinct from the heat of the thing heated, although it be the same specifically. But when a thing is derived from one thing from another, according to analogy or proportion, then it is one and the same in both: thus the healthiness which is in medicine or urine is derived from the healthiness of the animal's body; nor is health as applied to urine and medicine, distinct from health as applied to the body of an animal, of which health medicine is the cause, and urine the sign. It is in this way that the goodness of the external action is derived from the goodness of the will, and vice versa; viz. according to the order of one to the other.