Whether a good or a wicked angel can sin venially?

Objection 1. It seems that a good or wicked angel can sin venially. Because man agrees with the angels in the higher part of his soul which is called the mind, according to Gregory, who says (Hom. xxix in Evang.) that "man understands in common with the angels." But man can commit a venial sin in the higher part of his soul. Therefore an angel can commit a venial sin also.

Objection 2. Further, he that can do more can do less. But an angel could love a created good more than God, and he did, by sinning mortally. Therefore he could also love a creature less than God inordinately, by sinning venially.

Objection 3. Further, wicked angels seem to do things which are venial sins generically, by provoking men to laughter, and other like frivolities. Now the circumstance of the person does not make a mortal sin to be venial as stated above (Article 3), unless there is a special prohibition, which is not the case in point. Therefore an angel can sin venially.

On the contrary, The perfection of an angel is greater than that of man in the primitive state. But man could not sin venially in the primitive state, and much less, therefore, can an angel.

I answer that, An angel's intellect, as stated above in the I:58:3; I:79:8, is not discursive, i.e. it does not proceed from principles to conclusions, so as to understand both separately, as we do. Consequently, whenever the angelic intellect considers a conclusion, it must, of necessity, consider it in its principles. Now in matters of appetite, as we have often stated (I-II:8:2; I-II:10:1; I-II:72:5), ends are like principles, while the means are like conclusions. Wherefore, an angel's mind is not directed to the means, except as they stand under the order to the end. Consequently, from their very nature, they can have no inordinateness in respect of the means, unless at the same time they have an inordinateness in respect of the end, and this is a mortal sin. Now good angels are not moved to the means, except in subordination to the due end which is God: wherefore all their acts are acts of charity, so that no venial sin can be in them. On the other hand, wicked angels are moved to nothing except in subordination to the end which is their sin of pride. Therefore they sin mortally in everything that they do of their own will. This does not apply to the appetite for the natural good, which appetite we have stated to be in them (I:63:4; I-II:64:2 ad 5).

Reply to Objection 1. Man does indeed agree with the angels in the mind or intellect, but he differs in his mode of understanding, as stated above.

Reply to Objection 2. An angel could not love a creature less than God, without, at the same time, either referring it to God, as the last end, or to some inordinate end, for the reason given above.

Reply to Objection 3. The demons incite man to all such things which seem venial, that he may become used to them, so as to lead him on to mortal sin. Consequently in all such things they sin mortally, on account of the end they have in view.


Whether the first movements of the sensuality in unbelievers are mortal sin?

Objection 1. It would seem that the first movements of the sensuality in unbelievers are mortal sins. For the Apostle says (Romans 8:1) that "there is . . . no condemnation to them that are in Christ Jesus, who walk not according to the flesh": and he is speaking there of the concupiscence of the sensuality, as appears from the context (Romans 7). Therefore the reason why concupiscence is not a matter of condemnation to those who walk not according to the flesh, i.e. by consenting to concupiscence, is because they are in Christ Jesus. But unbelievers are not in Christ Jesus. Therefore in unbelievers this is a matter of condemnation. Therefore the first movements of unbelievers are mortal sins.

Objection 2. Further Anselm says (De Gratia et Lib. Arb. vii): "Those who are not in Christ, when they feel the sting of the flesh, follow the road of damnation, even if they walk not according to the flesh." But damnation is not due save to mortal sin. Therefore, since man feels the sting of the flesh in the first movements of the concupiscence, it seems that the first movements of concupiscence in unbelievers are mortal sins.

Objection 3. Further, Anselm says (De Gratia et Lib. Arb. vii): "Man was so made that he was not liable to feel concupiscence." Now this liability seems to be remitted to man by the grace of Baptism, which the unbeliever has not. Therefore every act of concupiscence in an unbeliever, even without his consent, is a mortal sin, because he acts against his duty.

On the contrary, It is stated in Acts 10:34 that "God is not a respecter of persons." Therefore he does not impute to one unto condemnation, what He does not impute to another. But he does not impute first movements to believers, unto condemnation. Neither therefore does He impute them to unbelievers.

I answer that, It is unreasonable to say that the first movements of unbelievers are mortal sins, when they do not consent to them. This is evident for two reasons. First, because the sensuality itself could not be the subject of mortal sin, as stated above (I-II:79:4). Now the sensuality has the same nature in unbelievers as in believers. Therefore it is not possible for the mere movements of the sensuality in unbelievers, to be mortal sins. Secondly, from the state of the sinner. Because excellence of the person of the person never diminishes sin, but, on the contrary, increases it, as stated above (I-II:73:10). Therefore a sin is not less grievous in a believer than in an unbeliever, but much more so. For the sins of an unbeliever are more deserving of forgiveness, on account of their ignorance, according to 1 Timothy 1:13: "I obtained the mercy of God, because I did it ignorantly in my unbelief": whereas the sins of believers are more grievous on account of the sacraments of grace, according to Hebrews 10:29: "How much more, do you think, he deserveth worse punishments . . . who hath esteemed the blood of the testament unclean, by which he was sanctified?"

Reply to Objection 1. The Apostle is speaking of the condemnation due to original sin, which condemnation is remitted by the grace of Jesus Christ, although the "fomes" of concupiscence remain. Wherefore the fact that believers are subject to concupiscence is not in them a sign of the condemnation due to original sin, as it is in unbelievers.

In this way also is to be understood the saying of Anselm, wherefore the Reply to the Second Objection is evident.

Reply to Objection 3. This freedom from liability to concupiscence was a result of original justice. Wherefore that which is opposed to such liability pertains, not to actual but to original sin.


Whether venial sin can be in anyone with original sin alone?

Objection 1. It would seem that venial sin can be in a man with original sin alone. For disposition precedes habit. Now venial sin is a disposition to mortal sin, as stated above (I-II:88:3). Therefore in an unbeliever, in whom original sin is not remitted, venial sin exists before mortal sin: and so sometimes unbelievers have venial together with original sin, and without mortal sins.

Objection 2. Further, venial sin has less in common, and less connection with mortal sin, than one mortal sin has with another. But an unbeliever in the state of original sin, can commit one mortal sin without committing another. Therefore he can also commit a venial sin without committing a mortal sin.

Objection 3. Further, it is possible to fix the time at which a child is first able to commit an actual sin: and when the child comes to that time, it can stay a short time at least, without committing a mortal sin, because this happens in the worst criminals. Now it is possible for the child to sin venially during that space of time, however short it may be. Therefore venial sin can be in anyone with original sin alone and without mortal sin.

On the contrary, Man is punished for original sin in the children's limbo, where there is no pain of sense as we shall state further on (II-II:69:6): whereas men are punished in hell for no other than mortal sin. Therefore there will be no place where a man can be punished for venial sin with no other than original sin.

I answer that, It is impossible for venial sin to be in anyone with original sin alone, and without mortal sin. The reason for this is because before a man comes to the age of discretion, the lack of years hinders the use of reason and excuses him from mortal sin, wherefore, much more does it excuse him from venial sin, if he does anything which is such generically. But when he begins to have the use of reason, he is not entirely excused from the guilt of venial or mortal sin. Now the first thing that occurs to a man to think about then, is to deliberate about himself. And if he then direct himself to the due end, he will, by means of grace, receive the remission of original sin: whereas if he does not then direct himself to the due end, and as far as he is capable of discretion at that particular age, he will sin mortally, through not doing that which is in his power to do. Accordingly thenceforward there cannot be venial sin in him without mortal, until afterwards all sin shall have been remitted to him through grace.

Reply to Objection 1. Venial sin always precedes mortal sin not as a necessary, but as a contingent disposition, just as work sometimes disposes to fever, but not as heat disposes to the form of fire.

Reply to Objection 2. Venial sin is prevented from being with original sin alone, not on account of its want of connection or likeness, but on account of the lack of use of reason, as stated above.

Reply to Objection 3. The child that is beginning to have the use of reason can refrain from other mortal sins for a time, but it is not free from the aforesaid sin of omission, unless it turns to God as soon as possible. For the first thing that occurs to a man who has discretion, is to think of himself, and to direct other things to himself as to their end, since the end is the first thing in the intention. Therefore this is the time when man is bound by God's affirmative precept, which the Lord expressed by saying (Zechariah 1:3): "Turn ye to Me . . . and I will turn to you."

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 law is something pertaining to reason?

Objection 1. It would seem that law is not something pertaining to reason. For the Apostle says (Romans 7:23): "I see another law in my members," etc. But nothing pertaining to reason is in the members; since the reason does not make use of a bodily organ. Therefore law is not something pertaining to reason.

Objection 2. Further, in the reason there is nothing else but power, habit, and act. But law is not the power itself of reason. In like manner, neither is it a habit of reason: because the habits of reason are the intellectual virtues of which we have spoken above (Article 57). Nor again is it an act of reason: because then law would cease, when the act of reason ceases, for instance, while we are asleep. Therefore law is nothing pertaining to reason.

Objection 3. Further, the law moves those who are subject to it to act aright. But it belongs properly to the will to move to act, as is evident from what has been said above (I-II:9:1). Therefore law pertains, not to the reason, but to the will; according to the words of the Jurist (Lib. i, ff., De Const. Prin. leg. i): "Whatsoever pleaseth the sovereign, has force of law."

On the contrary, It belongs to the law to command and to forbid. But it belongs to reason to command, as stated above (I-II:17:1). Therefore law is something pertaining to reason.

I answer that, Law is a rule and measure of acts, whereby man is induced to act or is restrained from acting: for "lex" [law] is derived from "ligare" [to bind], because it binds one to act. Now the rule and measure of human acts is the reason, which is the first principle of human acts, as is evident from what has been stated above (I-II:1:1 ad 3); since it belongs to the reason to direct to the end, which is the first principle in all matters of action, according to the Philosopher (Phys. ii). Now that which is the principle in any genus, is the rule and measure of that genus: for instance, unity in the genus of numbers, and the first movement in the genus of movements. Consequently it follows that law is something pertaining to reason.

Reply to Objection 1. Since law is a kind of rule and measure, it may be in something in two ways. First, as in that which measures and rules: and since this is proper to reason, it follows that, in this way, law is in the reason alone. Secondly, as in that which is measured and ruled. In this way, law is in all those things that are inclined to something by reason of some law: so that any inclination arising from a law, may be called a law, not essentially but by participation as it were. And thus the inclination of the members to concupiscence is called "the law of the members."

Reply to Objection 2. Just as, in external action, we may consider the work and the work done, for instance the work of building and the house built; so in the acts of reason, we may consider the act itself of reason, i.e. to understand and to reason, and something produced by this act. With regard to the speculative reason, this is first of all the definition; secondly, the proposition; thirdly, the syllogism or argument. And since also the practical reason makes use of a syllogism in respect of the work to be done, as stated above (I-II:13:3; I-II:76:1) and since as the Philosopher teaches (Ethic. vii, 3); hence we find in the practical reason something that holds the same position in regard to operations, as, in the speculative intellect, the proposition holds in regard to conclusions. Such like universal propositions of the practical intellect that are directed to actions have the nature of law. And these propositions are sometimes under our actual consideration, while sometimes they are retained in the reason by means of a habit.

Reply to Objection 3. Reason has its power of moving from the will, as stated above (I-II:17:1): for it is due to the fact that one wills the end, that the reason issues its commands as regards things ordained to the end. But in order that the volition of what is commanded may have the nature of law, it needs to be in accord with some rule of reason. And in this sense is to be understood the saying that the will of the sovereign has the force of law; otherwise the sovereign's will would savor of lawlessness rather than of law.


Whether the law is always something directed to the common good?

Objection 1. It would seem that the law is not always directed to the common good as to its end. For it belongs to law to command and to forbid. But commands are directed to certain individual goods. Therefore the end of the law is not always the common good.

Objection 2. Further, the law directs man in his actions. But human actions are concerned with particular matters. Therefore the law is directed to some particular good.

Objection 3. Further, Isidore says (Etym. v, 3): "If the law is based on reason, whatever is based on reason will be a law." But reason is the foundation not only of what is ordained to the common good, but also of that which is directed to private good. Therefore the law is not only directed to the good of all, but also to the private good of an individual.

On the contrary, Isidore says (Etym. v, 21) that "laws are enacted for no private profit, but for the common benefit of the citizens."

I answer that, As stated above (Article 1), the law belongs to that which is a principle of human acts, because it is their rule and measure. Now as reason is a principle of human acts, so in reason itself there is something which is the principle in respect of all the rest: wherefore to this principle chiefly and mainly law must needs be referred. Now the first principle in practical matters, which are the object of the practical reason, is the last end: and the last end of human life is bliss or happiness, as stated above (I-II:2:7; I-II:3:1). Consequently the law must needs regard principally the relationship to happiness. Moreover, since every part is ordained to the whole, as imperfect to perfect; and since one man is a part of the perfect community, the law must needs regard properly the relationship to universal happiness. Wherefore the Philosopher, in the above definition of legal matters mentions both happiness and the body politic: for he says (Ethic. v, 1) that we call those legal matters "just, which are adapted to produce and preserve happiness and its parts for the body politic": since the state is a perfect community, as he says in Polit. i, 1.

Now in every genus, that which belongs to it chiefly is the principle of the others, and the others belong to that genus in subordination to that thing: thus fire, which is chief among hot things, is the cause of heat in mixed bodies, and these are said to be hot in so far as they have a share of fire. Consequently, since the law is chiefly ordained to the common good, any other precept in regard to some individual work, must needs be devoid of the nature of a law, save in so far as it regards the common good. Therefore every law is ordained to the common good.

Reply to Objection 1. A command denotes an application of a law to matters regulated by the law. Now the order to the common good, at which the law aims, is applicable to particular ends. And in this way commands are given even concerning particular matters.

Reply to Objection 2. Actions are indeed concerned with particular matters: but those particular matters are referable to the common good, not as to a common genus or species, but as to a common final cause, according as the common good is said to be the common end.

Reply to Objection 3. Just as nothing stands firm with regard to the speculative reason except that which is traced back to the first indemonstrable principles, so nothing stands firm with regard to the practical reason, unless it be directed to the last end which is the common good: and whatever stands to reason in this sense, has the nature of a law.


Whether the reason of any man is competent to make laws?

Objection 1. It would seem that the reason of any man is competent to make laws. For the Apostle says (Romans 2:14) that "when the Gentiles, who have not the law, do by nature those things that are of the law, . . . they are a law to themselves." Now he says this of all in general. Therefore anyone can make a law for himself.

Objection 2. Further, as the Philosopher says (Ethic. ii. 1), "the intention of the lawgiver is to lead men to virtue." But every man can lead another to virtue. Therefore the reason of any man is competent to make laws.

Objection 3. Further, just as the sovereign of a state governs the state, so every father of a family governs his household. But the sovereign of a state can make laws for the state. Therefore every father of a family can make laws for his household.

On the contrary, Isidore says (Etym. v. 10): "A law is an ordinance of the people, whereby something is sanctioned by the Elders together with the Commonalty."

I answer that, A law, properly speaking, regards first and foremost the order to the common good. Now to order anything to the common good, belongs either to the whole people, or to someone who is the viceregent of the whole people. And therefore the making of a law belongs either to the whole people or to a public personage who has care of the whole people: since in all other matters the directing of anything to the end concerns him to whom the end belongs.

Reply to Objection 1. As stated above (I-II:90:1 ad 1), a law is in a person not only as in one that rules, but also by participation as in one that is ruled. In the latter way each one is a law to himself, in so far as he shares the direction that he receives from one who rules him. Hence the same text goes on: "Who shows the work of the law written in their hearts."

Reply to Objection 2. A private person cannot lead another to virtue efficaciously: for he can only advise, and if his advice be not taken, it has no coercive power, such as the law should have, in order to prove an efficacious inducement to virtue, as the Philosopher says (Ethic. x. 9). But this coercive power is vested in the whole people or in some public personage, to whom it belongs to inflict penalties, as we shall state further on (I-II:92:2 ad 3 and II-II:64:3). Wherefore the framing of laws belongs to him alone.

Reply to Objection 3. As one man is a part of the household, so a household is a part of the state: and the state is a perfect community, according to Polit. i. 1. And therefore, as the good of one man is not the last end, but is ordained to the common good; so too the good of one household is ordained to the good of a single state, which is a perfect community. Consequently he that governs a family, can indeed make certain commands or ordinances, but not such as to have properly the force of law.


Whether promulgation is essential to a law?

Objection 1. It would seem that promulgation is not essential to a law. For the natural law above all has the character of law. But the natural law needs no promulgation. Therefore it is not essential to a law that it be promulgated.

Objection 2. Further, it belongs properly to a law to bind one to do or not to do something. But the obligation of fulfilling a law touches not only those in whose presence it is promulgated, but also others. Therefore promulgation is not essential to a law.

Objection 3. Further, the binding force of a law extends even to the future, since "laws are binding in matters of the future," as the jurists say (Cod. 1, tit. De lege et constit. leg. vii). But promulgation concerns those who are present. Therefore it is not essential to a law.

On the contrary, It is laid down in the Decretals, dist. 4, that "laws are established when they are promulgated."

I answer that, As stated above (Article 1), a law is imposed on others by way of a rule and measure. Now a rule or measure is imposed by being applied to those who are to be ruled and measured by it. Wherefore, in order that a law obtain the binding force which is proper to a law, it must needs be applied to the men who have to be ruled by it. Such application is made by its being notified to them by promulgation. Wherefore promulgation is necessary for the law to obtain its force.

Thus from the four preceding articles, the definition of law may be gathered; and it is nothing else than an ordinance of reason for the common good, made by him who has care of the community, and promulgated.

Reply to Objection 1. The natural law is promulgated by the very fact that God instilled it into man's mind so as to be known by him naturally.

Reply to Objection 2. Those who are not present when a law is promulgated, are bound to observe the law, in so far as it is notified or can be notified to them by others, after it has been promulgated.

Reply to Objection 3. The promulgation that takes place now, extends to future time by reason of the durability of written characters, by which means it is continually promulgated. Hence Isidore says (Etym. v, 3; ii, 10) that "lex [law] is derived from legere [to read] because it is written."

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 there is an eternal law?

Objection 1. It would seem that there is no eternal law. Because every law is imposed on someone. But there was not someone from eternity on whom a law could be imposed: since God alone was from eternity. Therefore no law is eternal.

Objection 2. Further, promulgation is essential to law. But promulgation could not be from eternity: because there was no one to whom it could be promulgated from eternity. Therefore no law can be eternal.

Objection 3. Further, a law implies order to an end. But nothing ordained to an end is eternal: for the last end alone is eternal. Therefore no law is eternal.

On the contrary, Augustine says (De Lib. Arb. i, 6): "That Law which is the Supreme Reason cannot be understood to be otherwise than unchangeable and eternal."

I answer that, As stated above (I-II:90:1 ad 2; I-II:91:3-4), a law is nothing else but a dictate of practical reason emanating from the ruler who governs a perfect community. Now it is evident, granted that the world is ruled by Divine Providence, as was stated in I:22:1 and I:22:2, that the whole community of the universe is governed by Divine Reason. Wherefore the very Idea of the government of things in God the Ruler of the universe, has the nature of a law. And since the Divine Reason's conception of things is not subject to time but is eternal, according to Proverbs 8:23, therefore it is that this kind of law must be called eternal.

Reply to Objection 1. Those things that are not in themselves, exist with God, inasmuch as they are foreknown and preordained by Him, according to Romans 4:17: "Who calls those things that are not, as those that are." Accordingly the eternal concept of the Divine law bears the character of an eternal law, in so far as it is ordained by God to the government of things foreknown by Him.

Reply to Objection 2. Promulgation is made by word of mouth or in writing; and in both ways the eternal law is promulgated: because both the Divine Word and the writing of the Book of Life are eternal. But the promulgation cannot be from eternity on the part of the creature that hears or reads.

Reply to Objection 3. The law implies order to the end actively, in so far as it directs certain things to the end; but not passively—that is to say, the law itself is not ordained to the end—except accidentally, in a governor whose end is extrinsic to him, and to which end his law must needs be ordained. But the end of the Divine government is God Himself, and His law is not distinct from Himself. Wherefore the eternal law is not ordained to another end.


Whether there is in us a natural law?

Objection 1. It would seem that there is no natural law in us. Because man is governed sufficiently by the eternal law: for Augustine says (De Lib. Arb. i) that "the eternal law is that by which it is right that all things should be most orderly." But nature does not abound in superfluities as neither does she fail in necessaries. Therefore no law is natural to man.

Objection 2. Further, by the law man is directed, in his acts, to the end, as stated above (I-II:90:2). But the directing of human acts to their end is not a function of nature, as is the case in irrational creatures, which act for an end solely by their natural appetite; whereas man acts for an end by his reason and will. Therefore no law is natural to man.

Objection 3. Further, the more a man is free, the less is he under the law. But man is freer than all the animals, on account of his free-will, with which he is endowed above all other animals. Since therefore other animals are not subject to a natural law, neither is man subject to a natural law.

On the contrary, A gloss on Romans 2:14: "When the Gentiles, who have not the law, do by nature those things that are of the law," comments as follows: "Although they have no written law, yet they have the natural law, whereby each one knows, and is conscious of, what is good and what is evil."

I answer that, As stated above (I-II:90:1 ad 1), law, being a rule and measure, can be in a person in two ways: in one way, as in him that rules and measures; in another way, as in that which is ruled and measured, since a thing is ruled and measured, in so far as it partakes of the rule or measure. Wherefore, since all things subject to Divine providence are ruled and measured by the eternal law, as was stated above (Article 1); it is evident that all things partake somewhat of the eternal law, in so far as, namely, from its being imprinted on them, they derive their respective inclinations to their proper acts and ends. Now among all others, the rational creature is subject to Divine providence in the most excellent way, in so far as it partakes of a share of providence, by being provident both for itself and for others. Wherefore it has a share of the Eternal Reason, whereby it has a natural inclination to its proper act and end: and this participation of the eternal law in the rational creature is called the natural law. Hence the Psalmist after saying (Psalm 4:6): "Offer up the sacrifice of justice," as though someone asked what the works of justice are, adds: "Many say, Who showeth us good things?" in answer to which question he says: "The light of Thy countenance, O Lord, is signed upon us": thus implying that the light of natural reason, whereby we discern what is good and what is evil, which is the function of the natural law, is nothing else than an imprint on us of the Divine light. It is therefore evident that the natural law is nothing else than the rational creature's participation of the eternal law.

Reply to Objection 1. This argument would hold, if the natural law were something different from the eternal law: whereas it is nothing but a participation thereof, as stated above.

Reply to Objection 2. Every act of reason and will in us is based on that which is according to nature, as stated above (I-II:10:1): for every act of reasoning is based on principles that are known naturally, and every act of appetite in respect of the means is derived from the natural appetite in respect of the last end. Accordingly the first direction of our acts to their end must needs be in virtue of the natural law.

Reply to Objection 3. Even irrational animals partake in their own way of the Eternal Reason, just as the rational creature does. But because the rational creature partakes thereof in an intellectual and rational manner, therefore the participation of the eternal law in the rational creature is properly called a law, since a law is something pertaining to reason, as stated above (I-II:90:1). Irrational creatures, however, do not partake thereof in a rational manner, wherefore there is no participation of the eternal law in them, except by way of similitude.


Whether there is a human law?

Objection 1. It would seem that there is not a human law. For the natural law is a participation of the eternal law, as stated above (Article 2). Now through the eternal law "all things are most orderly," as Augustine states (De Lib. Arb. i, 6). Therefore the natural law suffices for the ordering of all human affairs. Consequently there is no need for a human law.

Objection 2. Further, a law bears the character of a measure, as stated above (I-II:90:1). But human reason is not a measure of things, but vice versa, as stated in Metaph. x, text. 5. Therefore no law can emanate from human reason.

Objection 3. Further, a measure should be most certain, as stated in Metaph. x, text. 3. But the dictates of human reason in matters of conduct are uncertain, according to Wisdom 9:14: "The thoughts of mortal men are fearful, and our counsels uncertain." Therefore no law can emanate from human reason.

On the contrary, Augustine (De Lib. Arb. i, 6) distinguishes two kinds of law, the one eternal, the other temporal, which he calls human.

I answer that, As stated above (I-II:90:1 ad 2), a law is a dictate of the practical reason. Now it is to be observed that the same procedure takes place in the practical and in the speculative reason: for each proceeds from principles to conclusions, as stated above (De Lib. Arb. i, 6). Accordingly we conclude that just as, in the speculative reason, from naturally known indemonstrable principles, we draw the conclusions of the various sciences, the knowledge of which is not imparted to us by nature, but acquired by the efforts of reason, so too it is from the precepts of the natural law, as from general and indemonstrable principles, that the human reason needs to proceed to the more particular determination of certain matters. These particular determinations, devised by human reason, are called human laws, provided the other essential conditions of law be observed, as stated above (I-II:90:2-4). Wherefore Tully says in his Rhetoric (De Invent. Rhet. ii) that "justice has its source in nature; thence certain things came into custom by reason of their utility; afterwards these things which emanated from nature and were approved by custom, were sanctioned by fear and reverence for the law."

Reply to Objection 1. The human reason cannot have a full participation of the dictate of the Divine Reason, but according to its own mode, and imperfectly. Consequently, as on the part of the speculative reason, by a natural participation of Divine Wisdom, there is in us the knowledge of certain general principles, but not proper knowledge of each single truth, such as that contained in the Divine Wisdom; so too, on the part of the practical reason, man has a natural participation of the eternal law, according to certain general principles, but not as regards the particular determinations of individual cases, which are, however, contained in the eternal law. Hence the need for human reason to proceed further to sanction them by law.

Reply to Objection 2. Human reason is not, of itself, the rule of things: but the principles impressed on it by nature, are general rules and measures of all things relating to human conduct, whereof the natural reason is the rule and measure, although it is not the measure of things that are from nature.

Reply to Objection 3. The practical reason is concerned with practical matters, which are singular and contingent: but not with necessary things, with which the speculative reason is concerned. Wherefore human laws cannot have that inerrancy that belongs to the demonstrated conclusions of sciences. Nor is it necessary for every measure to be altogether unerring and certain, but according as it is possible in its own particular genus.


Whether there was any need for a Divine law?

Objection 1. It would seem that there was no need for a Divine law. Because, as stated above (Article 2), the natural law is a participation in us of the eternal law. But the eternal law is a Divine law, as stated above (Article 1). Therefore there was no need for a Divine law in addition to the natural law, and human laws derived therefrom.

Objection 2. Further, it is written (Sirach 15:14) that "God left man in the hand of his own counsel." Now counsel is an act of reason, as stated above (I-II:14:1). Therefore man was left to the direction of his reason. But a dictate of human reason is a human law as stated above (Article 3). Therefore there is no need for man to be governed also by a Divine law.

Objection 3. Further, human nature is more self-sufficing than irrational creatures. But irrational creatures have no Divine law besides the natural inclination impressed on them. Much less, therefore, should the rational creature have a Divine law in addition to the natural law.

On the contrary, David prayed God to set His law before him, saying (Psalm 18:33): "Set before me for a law the way of Thy justifications, O Lord."

I answer that, Besides the natural and the human law it was necessary for the directing of human conduct to have a Divine law. And this for four reasons. First, because it is by law that man is directed how to perform his proper acts in view of his last end. And indeed if man were ordained to no other end than that which is proportionate to his natural faculty, there would be no need for man to have any further direction of the part of his reason, besides the natural law and human law which is derived from it. But since man is ordained to an end of eternal happiness which is inproportionate to man's natural faculty, as stated above (I-II:5:5), therefore it was necessary that, besides the natural and the human law, man should be directed to his end by a law given by God.

Secondly, because, on account of the uncertainty of human judgment, especially on contingent and particular matters, different people form different judgments on human acts; whence also different and contrary laws result. In order, therefore, that man may know without any doubt what he ought to do and what he ought to avoid, it was necessary for man to be directed in his proper acts by a law given by God, for it is certain that such a law cannot err.

Thirdly, because man can make laws in those matters of which he is competent to judge. But man is not competent to judge of interior movements, that are hidden, but only of exterior acts which appear: and yet for the perfection of virtue it is necessary for man to conduct himself aright in both kinds of acts. Consequently human law could not sufficiently curb and direct interior acts; and it was necessary for this purpose that a Divine law should supervene.

Fourthly, because, as Augustine says (De Lib. Arb. i, 5,6), human law cannot punish or forbid all evil deeds: since while aiming at doing away with all evils, it would do away with many good things, and would hinder the advance of the common good, which is necessary for human intercourse. In order, therefore, that no evil might remain unforbidden and unpunished, it was necessary for the Divine law to supervene, whereby all sins are forbidden.

And these four causes are touched upon in Psalm 118:8, where it is said: "The law of the Lord is unspotted," i.e. allowing no foulness of sin; "converting souls," because it directs not only exterior, but also interior acts; "the testimony of the Lord is faithful," because of the certainty of what is true and right; "giving wisdom to little ones," by directing man to an end supernatural and Divine.

Reply to Objection 1. By the natural law the eternal law is participated proportionately to the capacity of human nature. But to his supernatural end man needs to be directed in a yet higher way. Hence the additional law given by God, whereby man shares more perfectly in the eternal law.

Reply to Objection 2. Counsel is a kind of inquiry: hence it must proceed from some principles. Nor is it enough for it to proceed from principles imparted by nature, which are the precepts of the natural law, for the reasons given above: but there is need for certain additional principles, namely, the precepts of the Divine law.

Reply to Objection 3. Irrational creatures are not ordained to an end higher than that which is proportionate to their natural powers: consequently the comparison fails.


Whether there is but one Divine law?

Objection 1. It would seem that there is but one Divine law. Because, where there is one king in one kingdom there is but one law. Now the whole of mankind is compared to God as to one king, according to Psalm 46:8: "God is the King of all the earth." Therefore there is but one Divine law.

Objection 2. Further, every law is directed to the end which the lawgiver intends for those for whom he makes the law. But God intends one and the same thing for all men; since according to 1 Timothy 2:4: "He will have all men to be saved, and to come to the knowledge of the truth." Therefore there is but one Divine law.

Objection 3. Further, the Divine law seems to be more akin to the eternal law, which is one, than the natural law, according as the revelation of grace is of a higher order than natural knowledge. Therefore much more is the Divine law but one.

On the contrary, The Apostle says (Hebrews 7:12): "The priesthood being translated, it is necessary that a translation also be made of the law." But the priesthood is twofold, as stated in the same passage, viz. the levitical priesthood, and the priesthood of Christ. Therefore the Divine law is twofold, namely the Old Law and the New Law.

I answer that, As stated in the I:30:3, distinction is the cause of number. Now things may be distinguished in two ways. First, as those things that are altogether specifically different, e.g. a horse and an ox. Secondly, as perfect and imperfect in the same species, e.g. a boy and a man: and in this way the Divine law is divided into Old and New. Hence the Apostle (Galatians 3:24-25) compares the state of man under the Old Law to that of a child "under a pedagogue"; but the state under the New Law, to that of a full grown man, who is "no longer under a pedagogue."

Now the perfection and imperfection of these two laws is to be taken in connection with the three conditions pertaining to law, as stated above. For, in the first place, it belongs to law to be directed to the common good as to its end, as stated above (I-II:90:2). This good may be twofold. It may be a sensible and earthly good; and to this, man was directly ordained by the Old Law: wherefore, at the very outset of the law, the people were invited to the earthly kingdom of the Chananaeans (Exodus 3:8-17). Again it may be an intelligible and heavenly good: and to this, man is ordained by the New Law. Wherefore, at the very beginning of His preaching, Christ invited men to the kingdom of heaven, saying (Matthew 4:17): "Do penance, for the kingdom of heaven is at hand." Hence Augustine says (Contra Faust. iv) that "promises of temporal goods are contained in the Old Testament, for which reason it is called old; but the promise of eternal life belongs to the New Testament."

Secondly, it belongs to the law to direct human acts according to the order of righteousness (Article 4): wherein also the New Law surpasses the Old Law, since it directs our internal acts, according to Matthew 5:20: "Unless your justice abound more than that of the Scribes and Pharisees, you shall not enter into the kingdom of heaven." Hence the saying that "the Old Law restrains the hand, but the New Law controls the mind" (Sentent. iii, D, xl).

Thirdly, it belongs to the law to induce men to observe its commandments. This the Old Law did by the fear of punishment: but the New Law, by love, which is poured into our hearts by the grace of Christ, bestowed in the New Law, but foreshadowed in the Old. Hence Augustine says (Contra Adimant. Manich. discip. xvii) that "there is little difference [The 'little difference' refers to the Latin words 'timor' and 'amor'—'fear' and 'love.'] between the Law and the Gospel—fear and love."

Reply to Objection 1. As the father of a family issues different commands to the children and to the adults, so also the one King, God, in His one kingdom, gave one law to men, while they were yet imperfect, and another more perfect law, when, by the preceding law, they had been led to a greater capacity for Divine things.

Reply to Objection 2. The salvation of man could not be achieved otherwise than through Christ, according to Acts 4:12: "There is no other name . . . given to men, whereby we must be saved." Consequently the law that brings all to salvation could not be given until after the coming of Christ. But before His coming it was necessary to give to the people, of whom Christ was to be born, a law containing certain rudiments of righteousness unto salvation, in order to prepare them to receive Him.

Reply to Objection 3. The natural law directs man by way of certain general precepts, common to both the perfect and the imperfect: wherefore it is one and the same for all. But the Divine law directs man also in certain particular matters, to which the perfect and imperfect do not stand in the same relation. Hence the necessity for the Divine law to be twofold, as already explained.


Whether there is a law in the fomes of sin?

Objection 1. It would seem that there is no law of the "fomes" of sin. For Isidore says (Etym. v) that the "law is based on reason." But the "fomes" of sin is not based on reason, but deviates from it. Therefore the "fomes" has not the nature of a law.

Objection 2. Further, every law is binding, so that those who do not obey it are called transgressors. But man is not called a transgressor, from not following the instigations of the "fomes"; but rather from his following them. Therefore the "fomes" has not the nature of a law.

Objection 3. Further, the law is ordained to the common good, as stated above (I-II:90:2). But the "fomes" inclines us, not to the common, but to our own private good. Therefore the "fomes" has not the nature of sin.

On the contrary, The Apostle says (Romans 7:23): "I see another law in my members, fighting against the law of my mind."

I answer that, As stated above (Article 2; I-II:90:1 ad 1), the law, as to its essence, resides in him that rules and measures; but, by way of participation, in that which is ruled and measured; so that every inclination or ordination which may be found in things subject to the law, is called a law by participation, as stated above (Article 2; I-II:90:1 ad 1). Now those who are subject to a law may receive a twofold inclination from the lawgiver. First, in so far as he directly inclines his subjects to something; sometimes indeed different subjects to different acts; in this way we may say that there is a military law and a mercantile law. Secondly, indirectly; thus by the very fact that a lawgiver deprives a subject of some dignity, the latter passes into another order, so as to be under another law, as it were: thus if a soldier be turned out of the army, he becomes a subject of rural or of mercantile legislation.

Accordingly under the Divine Lawgiver various creatures have various natural inclinations, so that what is, as it were, a law for one, is against the law for another: thus I might say that fierceness is, in a way, the law of a dog, but against the law of a sheep or another meek animal. And so the law of man, which, by the Divine ordinance, is allotted to him, according to his proper natural condition, is that he should act in accordance with reason: and this law was so effective in the primitive state, that nothing either beside or against reason could take man unawares. But when man turned his back on God, he fell under the influence of his sensual impulses: in fact this happens to each one individually, the more he deviates from the path of reason, so that, after a fashion, he is likened to the beasts that are led by the impulse of sensuality, according to Psalm 48:21: "Man, when he was in honor, did not understand: he hath been compared to senseless beasts, and made like to them."

So, then, this very inclination of sensuality which is called the "fomes," in other animals has simply the nature of a law (yet only in so far as a law may be said to be in such things), by reason of a direct inclination. But in man, it has not the nature of law in this way, rather is it a deviation from the law of reason. But since, by the just sentence of God, man is destitute of original justice, and his reason bereft of its vigor, this impulse of sensuality, whereby he is led, in so far as it is a penalty following from the Divine law depriving man of his proper dignity, has the nature of a law.

Reply to Objection 1. This argument considers the "fomes" in itself, as an incentive to evil. It is not thus that it has the nature of a law, as stated above, but according as it results from the justice of the Divine law: it is as though we were to say that the law allows a nobleman to be condemned to hard labor for some misdeed.

Reply to Objection 2. This argument considers law in the light of a rule or measure: for it is in this sense that those who deviate from the law become transgressors. But the "fomes" is not a law in this respect, but by a kind of participation, as stated above.

Reply to Objection 3. This argument considers the "fomes" as to its proper inclination, and not as to its origin. And yet if the inclination of sensuality be considered as it is in other animals, thus it is ordained to the common good, namely, to the preservation of nature in the species or in the individual. And this is in man also, in so far as sensuality is subject to reason. But it is called "fomes" in so far as it strays from the order of reason.

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 an effect of law is to make men good?

Objection 1. It seems that it is not an effect of law to make men good. For men are good through virtue, since virtue, as stated in Ethic. ii, 6 is "that which makes its subject good." But virtue is in man from God alone, because He it is Who "works it in us without us," as we stated above (I-II:55:4) in giving the definition of virtue. Therefore the law does not make men good.

Objection 2. Further, Law does not profit a man unless he obeys it. But the very fact that a man obeys a law is due to his being good. Therefore in man goodness is presupposed to the law. Therefore the law does not make men good.

Objection 3. Further, Law is ordained to the common good, as stated above (I-II:90:2). But some behave well in things regarding the community, who behave ill in things regarding themselves. Therefore it is not the business of the law to make men good.

Objection 4. Further, some laws are tyrannical, as the Philosopher says (Polit. iii, 6). But a tyrant does not intend the good of his subjects, but considers only his own profit. Therefore law does not make men good.

On the contrary, The Philosopher says (Ethic. ii, 1) that the "intention of every lawgiver is to make good citizens."

I answer that, as stated above (I-II:90:1 ad 2; Answers 3 and 4), a law is nothing else than a dictate of reason in the ruler by whom his subjects are governed. Now the virtue of any subordinate thing consists in its being well subordinated to that by which it is regulated: thus we see that the virtue of the irascible and concupiscible faculties consists in their being obedient to reason; and accordingly "the virtue of every subject consists in his being well subjected to his ruler," as the Philosopher says (Polit. i). But every law aims at being obeyed by those who are subject to it. Consequently it is evident that the proper effect of law is to lead its subjects to their proper virtue: and since virtue is "that which makes its subject good," it follows that the proper effect of law is to make those to whom it is given, good, either simply or in some particular respect. For if the intention of the lawgiver is fixed on true good, which is the common good regulated according to Divine justice, it follows that the effect of the law is to make men good simply. If, however, the intention of the lawgiver is fixed on that which is not simply good, but useful or pleasurable to himself, or in opposition to Divine justice; then the law does not make men good simply, but in respect to that particular government. In this way good is found even in things that are bad of themselves: thus a man is called a good robber, because he works in a way that is adapted to his end.

Reply to Objection 1. Virtue is twofold, as explained above (I-II:63:2), viz. acquired and infused. Now the fact of being accustomed to an action contributes to both, but in different ways; for it causes the acquired virtue; while it disposes to infused virtue, and preserves and fosters it when it already exists. And since law is given for the purpose of directing human acts; as far as human acts conduce to virtue, so far does law make men good. Wherefore the Philosopher says in the second book of the Politics (Ethic. ii) that "lawgivers make men good by habituating them to good works."

Reply to Objection 2. It is not always through perfect goodness of virtue that one obeys the law, but sometimes it is through fear of punishment, and sometimes from the mere dictates of reason, which is a beginning of virtue, as stated above (I-II:63:1).

Reply to Objection 3. The goodness of any part is considered in comparison with the whole; hence Augustine says (Confess. iii) that "unseemly is the part that harmonizes not with the whole." Since then every man is a part of the state, it is impossible that a man be good, unless he be well proportionate to the common good: nor can the whole be well consistent unless its parts be proportionate to it. Consequently the common good of the state cannot flourish, unless the citizens be virtuous, at least those whose business it is to govern. But it is enough for the good of the community, that the other citizens be so far virtuous that they obey the commands of their rulers. Hence the Philosopher says (Polit. ii, 2) that "the virtue of a sovereign is the same as that of a good man, but the virtue of any common citizen is not the same as that of a good man."

Reply to Objection 4. A tyrannical law, through not being according to reason, is not a law, absolutely speaking, but rather a perversion of law; and yet in so far as it is something in the nature of a law, it aims at the citizens' being good. For all it has in the nature of a law consists in its being an ordinance made by a superior to his subjects, and aims at being obeyed by them, which is to make them good, not simply, but with respect to that particular government.


Whether the acts of law are suitably assigned?

Objection 1. It would seem that the acts of law are not suitably assigned as consisting in "command," "prohibition," "permission" and "punishment." For "every law is a general precept," as the jurist states. But command and precept are the same. Therefore the other three are superfluous.

Objection 2. Further, the effect of a law is to induce its subjects to be good, as stated above (Article 1). But counsel aims at a higher good than a command does. Therefore it belongs to law to counsel rather than to command.

Objection 3. Further, just as punishment stirs a man to good deeds, so does reward. Therefore if to punish is reckoned an effect of law, so also is to reward.

Objection 4. Further, the intention of a lawgiver is to make men good, as stated above (Article 1). But he that obeys the law, merely through fear of being punished, is not good: because "although a good deed may be done through servile fear, i.e. fear of punishment, it is not done well," as Augustine says (Contra duas Epist. Pelag. ii). Therefore punishment is not a proper effect of law.

On the contrary, Isidore says (Etym. v, 19): "Every law either permits something, as: 'A brave man may demand his reward'": or forbids something, as: "No man may ask a consecrated virgin in marriage": or punishes, as: "Let him that commits a murder be put to death."

I answer that, Just as an assertion is a dictate of reason asserting something, so is a law a dictate of reason, commanding something. Now it is proper to reason to lead from one thing to another. Wherefore just as, in demonstrative sciences, the reason leads us from certain principles to assent to the conclusion, so it induces us by some means to assent to the precept of the law.

Now the precepts of law are concerned with human acts, in which the law directs, as stated above (Question 90, Articles 1 and 2; I-II:91:4). Again there are three kinds of human acts: for, as stated above (I-II:18:8), some acts are good generically, viz. acts of virtue; and in respect of these the act of the law is a precept or command, for "the law commands all acts of virtue" (Ethic. v, 1). Some acts are evil generically, viz. acts of vice, and in respect of these the law forbids. Some acts are generically indifferent, and in respect of these the law permits; and all acts that are either not distinctly good or not distinctly bad may be called indifferent. And it is the fear of punishment that law makes use of in order to ensure obedience: in which respect punishment is an effect of law.

Reply to Objection 1. Just as to cease from evil is a kind of good, so a prohibition is a kind of precept: and accordingly, taking precept in a wide sense, every law is a kind of precept.

Reply to Objection 2. To advise is not a proper act of law, but may be within the competency even of a private person, who cannot make a law. Wherefore too the Apostle, after giving a certain counsel (1 Corinthians 7:12) says: "I speak, not the Lord." Consequently it is not reckoned as an effect of law.

Reply to Objection 3. To reward may also pertain to anyone: but to punish pertains to none but the framer of the law, by whose authority the pain is inflicted. Wherefore to reward is not reckoned an effect of law, but only to punish.

Reply to Objection 4. From becoming accustomed to avoid evil and fulfill what is good, through fear of punishment, one is sometimes led on to do so likewise, with delight and of one's own accord. Accordingly, law, even by punishing, leads men on to being good.

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 eternal law is a sovereign type [ratio] existing in God?

Objection 1. It would seem that the eternal law is not a sovereign type existing in God. For there is only one eternal law. But there are many types of things in the Divine mind; for Augustine says (Qq. lxxxiii, qu. 46) that God "made each thing according to its type." Therefore the eternal law does not seem to be a type existing in the Divine mind.

Objection 2. Further, it is essential to a law that it be promulgated by word, as stated above (I-II:90:4). But Word is a Personal name in God, as stated in the I:34:1: whereas type refers to the Essence. Therefore the eternal law is not the same as a Divine type.

Objection 3. Further, Augustine says (De Vera Relig. xxx): "We see a law above our minds, which is called truth." But the law which is above our minds is the eternal law. Therefore truth is the eternal law. But the idea of truth is not the same as the idea of a type. Therefore the eternal law is not the same as the sovereign type.

On the contrary, Augustine says (De Lib. Arb. i, 6) that "the eternal law is the sovereign type, to which we must always conform."

I answer that, Just as in every artificer there pre-exists a type of the things that are made by his art, so too in every governor there must pre-exist the type of the order of those things that are to be done by those who are subject to his government. And just as the type of the things yet to be made by an art is called the art or exemplar of the products of that art, so too the type in him who governs the acts of his subjects, bears the character of a law, provided the other conditions be present which we have mentioned above (Article 90). Now God, by His wisdom, is the Creator of all things in relation to which He stands as the artificer to the products of his art, as stated in the I:14:8. Moreover He governs all the acts and movements that are to be found in each single creature, as was also stated in the I:103:5. Wherefore as the type of the Divine Wisdom, inasmuch as by It all things are created, has the character of art, exemplar or idea; so the type of Divine Wisdom, as moving all things to their due end, bears the character of law. Accordingly the eternal law is nothing else than the type of Divine Wisdom, as directing all actions and movements.

Reply to Objection 1. Augustine is speaking in that passage of the ideal types which regard the proper nature of each single thing; and consequently in them there is a certain distinction and plurality, according to their different relations to things, as stated in the I:15:2. But law is said to direct human acts by ordaining them to the common good, as stated above (I-II:90:2). And things, which are in themselves different, may be considered as one, according as they are ordained to one common thing. Wherefore the eternal law is one since it is the type of this order.

Reply to Objection 2. With regard to any sort of word, two points may be considered: viz. the word itself, and that which is expressed by the word. For the spoken word is something uttered by the mouth of man, and expresses that which is signified by the human word. The same applies to the human mental word, which is nothing else that something conceived by the mind, by which man expresses his thoughts mentally. So then in God the Word conceived by the intellect of the Father is the name of a Person: but all things that are in the Father's knowledge, whether they refer to the Essence or to the Persons, or to the works of God, are expressed by this Word, as Augustine declares (De Trin. xv, 14). And among other things expressed by this Word, the eternal law itself is expressed thereby. Nor does it follow that the eternal law is a Personal name in God: yet it is appropriated to the Son, on account of the kinship between type and word.

Reply to Objection 3. The types of the Divine intellect do not stand in the same relation to things, as the types of the human intellect. For the human intellect is measured by things, so that a human concept is not true by reason of itself, but by reason of its being consonant with things, since "an opinion is true or false according as it answers to the reality." But the Divine intellect is the measure of things: since each thing has so far truth in it, as it represents the Divine intellect, as was stated in the I:16:1. Consequently the Divine intellect is true in itself; and its type is truth itself.


Whether the eternal law is known to all?

Objection 1. It would seem that the eternal law is not known to all. Because, as the Apostle says (1 Corinthians 2:11), "the things that are of God no man knoweth, but the Spirit of God." But the eternal law is a type existing in the Divine mind. Therefore it is unknown to all save God alone.

Objection 2. Further, as Augustine says (De Lib. Arb. i, 6) "the eternal law is that by which it is right that all things should be most orderly." But all do not know how all things are most orderly. Therefore all do not know the eternal law.

Objection 3. Further, Augustine says (De Vera Relig. xxxi) that "the eternal law is not subject to the judgment of man." But according to Ethic. i, "any man can judge well of what he knows." Therefore the eternal law is not known to us.

On the contrary, Augustine says (De Lib. Arb. i, 6) that "knowledge of the eternal law is imprinted on us."

I answer that, A thing may be known in two ways: first, in itself; secondly, in its effect, wherein some likeness of that thing is found: thus someone not seeing the sun in its substance, may know it by its rays. So then no one can know the eternal law, as it is in itself, except the blessed who see God in His Essence. But every rational creature knows it in its reflection, greater or less. For every knowledge of truth is a kind of reflection and participation of the eternal law, which is the unchangeable truth, as Augustine says (De Vera Relig. xxxi). Now all men know the truth to a certain extent, at least as to the common principles of the natural law: and as to the others, they partake of the knowledge of truth, some more, some less; and in this respect are more or less cognizant of the eternal law.

Reply to Objection 1. We cannot know the things that are of God, as they are in themselves; but they are made known to us in their effects, according to Romans 1:20: "The invisible things of God . . . are clearly seen, being understood by the things that are made."

Reply to Objection 2. Although each one knows the eternal law according to his own capacity, in the way explained above, yet none can comprehend it: for it cannot be made perfectly known by its effects. Therefore it does not follow that anyone who knows the eternal law in the way aforesaid, knows also the whole order of things, whereby they are most orderly.

Reply to Objection 3. To judge a thing may be understood in two ways. First, as when a cognitive power judges of its proper object, according to Job 12:11: "Doth not the ear discern words, and the palate of him that eateth, the taste?" It is to this kind of judgment that the Philosopher alludes when he says that "anyone can judge well of what he knows," by judging, namely, whether what is put forward is true. In another way we speak of a superior judging of a subordinate by a kind of practical judgment, as to whether he should be such and such or not. And thus none can judge of the eternal law.


Whether every law is derived from the eternal law?

Objection 1. It would seem that not every law is derived from the eternal law. For there is a law of the "fomes," as stated above (I-II:91:6), which is not derived from that Divine law which is the eternal law, since thereunto pertains the "prudence of the flesh," of which the Apostle says (Romans 8:7), that "it cannot be subject to the law of God." Therefore not every law is derived from the eternal law.

Objection 2. Further, nothing unjust can be derived from the eternal law, because, as stated above (Article 2, Objection 2), "the eternal law is that, according to which it is right that all things should be most orderly." But some laws are unjust, according to Isaiah 10:1: "Woe to them that make wicked laws." Therefore not every law is derived from the eternal law.

Objection 3. Further, Augustine says (De Lib. Arb. i, 5) that "the law which is framed for ruling the people, rightly permits many things which are punished by Divine providence." But the type of Divine providence is the eternal law, as stated above (Article 1). Therefore not even every good law is derived from the eternal law.

On the contrary, Divine Wisdom says (Proverbs 8:15): "By Me kings reign, and lawgivers decree just things." But the type of Divine Wisdom is the eternal law, as stated above (Article 1). Therefore all laws proceed from the eternal law.

I answer that, As stated above (Question 90, Articles 1 and 2), the law denotes a kind of plan directing acts towards an end. Now wherever there are movers ordained to one another, the power of the second mover must needs be derived from the power of the first mover; since the second mover does not move except in so far as it is moved by the first. Wherefore we observe the same in all those who govern, so that the plan of government is derived by secondary governors from the governor in chief; thus the plan of what is to be done in a state flows from the king's command to his inferior administrators: and again in things of art the plan of whatever is to be done by art flows from the chief craftsman to the under-crafts-men, who work with their hands. Since then the eternal law is the plan of government in the Chief Governor, all the plans of government in the inferior governors must be derived from the eternal law. But these plans of inferior governors are all other laws besides the eternal law. Therefore all laws, in so far as they partake of right reason, are derived from the eternal law. Hence Augustine says (De Lib. Arb. i, 6) that "in temporal law there is nothing just and lawful, but what man has drawn from the eternal law."

Reply to Objection 1. The "fomes" has the nature of law in man, in so far as it is a punishment resulting from Divine justice; and in this respect it is evident that it is derived from the eternal law. But in so far as it denotes a proneness to sin, it is contrary to the Divine law, and has not the nature of law, as stated above (I-II:91:6).

Reply to Objection 2. Human law has the nature of law in so far as it partakes of right reason; and it is clear that, in this respect, it is derived from the eternal law. But in so far as it deviates from reason, it is called an unjust law, and has the nature, not of law but of violence. Nevertheless even an unjust law, in so far as it retains some appearance of law, though being framed by one who is in power, is derived from the eternal law; since all power is from the Lord God, according to Romans 13:1.

Reply to Objection 3. Human law is said to permit certain things, not as approving them, but as being unable to direct them. And many things are directed by the Divine law, which human law is unable to direct, because more things are subject to a higher than to a lower cause. Hence the very fact that human law does not meddle with matters it cannot direct, comes under the ordination of the eternal law. It would be different, were human law to sanction what the eternal law condemns. Consequently it does not follow that human law is not derived from the eternal law, but that it is not on a perfect equality with it.


Whether necessary and eternal things are subject to the eternal law?

Objection 1. It would seem that necessary and eternal things are subject to the eternal law. For whatever is reasonable is subject to reason. But the Divine will is reasonable, for it is just. Therefore it is subject to (the Divine) reason. But the eternal law is the Divine reason. Therefore God's will is subject to the eternal law. But God's will is eternal. Therefore eternal and necessary things are subject to the eternal law.

Objection 2. Further, whatever is subject to the King, is subject to the King's law. Now the Son, according to 1 Corinthians 15:28-29, "shall be subject . . . to God and the Father . . . when He shall have delivered up the Kingdom to Him." Therefore the Son, Who is eternal, is subject to the eternal law.

Objection 3. Further, the eternal law is Divine providence as a type. But many necessary things are subject to Divine providence: for instance, the stability of incorporeal substances and of the heavenly bodies. Therefore even necessary things are subject to the eternal law.

On the contrary, Things that are necessary cannot be otherwise, and consequently need no restraining. But laws are imposed on men, in order to restrain them from evil, as explained above (I-II:92:2). Therefore necessary things are not subject to the eternal law.

I answer that, As stated above (Article 1), the eternal law is the type of the Divine government. Consequently whatever is subject to the Divine government, is subject to the eternal law: while if anything is not subject to the Divine government, neither is it subject to the eternal law. The application of this distinction may be gathered by looking around us. For those things are subject to human government, which can be done by man; but what pertains to the nature of man is not subject to human government; for instance, that he should have a soul, hands, or feet. Accordingly all that is in things created by God, whether it be contingent or necessary, is subject to the eternal law: while things pertaining to the Divine Nature or Essence are not subject to the eternal law, but are the eternal law itself.

Reply to Objection 1. We may speak of God's will in two ways. First, as to the will itself: and thus, since God's will is His very Essence, it is subject neither to the Divine government, nor to the eternal law, but is the same thing as the eternal law. Secondly, we may speak of God's will, as to the things themselves that God wills about creatures; which things are subject to the eternal law, in so far as they are planned by Divine Wisdom. In reference to these things God's will is said to be reasonable [rationalis]: though regarded in itself it should rather be called their type [ratio].

Reply to Objection 2. God the Son was not made by God, but was naturally born of God. Consequently He is not subject to Divine providence or to the eternal law: but rather is Himself the eternal law by a kind of appropriation, as Augustine explains (De Vera Relig. xxxi). But He is said to be subject to the Father by reason of His human nature, in respect of which also the Father is said to be greater than He.

The third objection we grant, because it deals with those necessary things that are created.

Reply to Objection 4. As the Philosopher says (Metaph. v, text. 6), some necessary things have a cause of their necessity: and thus they derive from something else the fact that they cannot be otherwise. And this is in itself a most effective restraint; for whatever is restrained, is said to be restrained in so far as it cannot do otherwise than it is allowed to.


Whether natural contingents are subject to the eternal law?

Objection 1. It would seem that natural contingents are not subject to the eternal law. Because promulgation is essential to law, as stated above (I-II:90:4). But a law cannot be promulgated except to rational creatures, to whom it is possible to make an announcement. Therefore none but rational creatures are subject to the eternal law; and consequently natural contingents are not.

Objection 2. Further, "Whatever obeys reason partakes somewhat of reason," as stated in Ethic. i. But the eternal law, is the supreme type, as stated above (Article 1). Since then natural contingents do not partake of reason in any way, but are altogether void of reason, it seems that they are not subject to the eternal law.

Objection 3. Further, the eternal law is most efficient. But in natural contingents defects occur. Therefore they are not subject to the eternal law.

On the contrary, It is written (Proverbs 8:29): "When He compassed the sea with its bounds, and set a law to the waters, that they should not pass their limits."

I answer that, We must speak otherwise of the law of man, than of the eternal law which is the law of God. For the law of man extends only to rational creatures subject to man. The reason of this is because law directs the actions of those that are subject to the government of someone: wherefore, properly speaking, none imposes a law on his own actions. Now whatever is done regarding the use of irrational things subject to man, is done by the act of man himself moving those things, for these irrational creatures do not move themselves, but are moved by others, as stated above (I-II:1:2). Consequently man cannot impose laws on irrational beings, however much they may be subject to him. But he can impose laws on rational beings subject to him, in so far as by his command or pronouncement of any kind, he imprints on their minds a rule which is a principle of action.

Now just as man, by such pronouncement, impresses a kind of inward principle of action on the man that is subject to him, so God imprints on the whole of nature the principles of its proper actions. And so, in this way, God is said to command the whole of nature, according to Psalm 148:6: "He hath made a decree, and it shall not pass away." And thus all actions and movements of the whole of nature are subject to the eternal law. Consequently irrational creatures are subject to the eternal law, through being moved by Divine providence; but not, as rational creatures are, through understanding the Divine commandment.

Reply to Objection 1. The impression of an inward active principle is to natural things, what the promulgation of law is to men: because law, by being promulgated, imprints on man a directive principle of human actions, as stated above.

Reply to Objection 2. Irrational creatures neither partake of nor are obedient to human reason: whereas they do partake of the Divine Reason by obeying it; because the power of Divine Reason extends over more things than human reason does. And as the members of the human body are moved at the command of reason, and yet do not partake of reason, since they have no apprehension subordinate to reason; so too irrational creatures are moved by God, without, on that account, being rational.

Reply to Objection 3. Although the defects which occur in natural things are outside the order of particular causes, they are not outside the order of universal causes, especially of the First Cause, i.e. God, from Whose providence nothing can escape, as stated in the I:22:2. And since the eternal law is the type of Divine providence, as stated above (Article 1), hence the defects of natural things are subject to the eternal law.


Whether all human affairs are subject to the eternal law?

Objection 1. It would seem that not all human affairs are subject to the eternal law. For the Apostle says (Galatians 5:18): "If you are led by the spirit you are not under the law." But the righteous who are the sons of God by adoption, are led by the spirit of God, according to Romans 8:14: "Whosoever are led by the spirit of God, they are the sons of God." Therefore not all men are under the eternal law.

Objection 2. Further, the Apostle says (Romans 8:7): "The prudence [Vulgate: 'wisdom'] of the flesh is an enemy to God: for it is not subject to the law of God." But many are those in whom the prudence of the flesh dominates. Therefore all men are not subject to the eternal law which is the law of God.

Objection 3. Further, Augustine says (De Lib. Arb. i, 6) that "the eternal law is that by which the wicked deserve misery, the good, a life of blessedness." But those who are already blessed, and those who are already lost, are not in the state of merit. Therefore they are not under the eternal law.

On the contrary, Augustine says (De Civ. Dei xix, 12): "Nothing evades the laws of the most high Creator and Governor, for by Him the peace of the universe is administered."

I answer that, There are two ways in which a thing is subject to the eternal law, as explained above (Article 5): first, by partaking of the eternal law by way of knowledge; secondly, by way of action and passion, i.e. by partaking of the eternal law by way of an inward motive principle: and in this second way, irrational creatures are subject to the eternal law, as stated above (Article 5). But since the rational nature, together with that which it has in common with all creatures, has something proper to itself inasmuch as it is rational, consequently it is subject to the eternal law in both ways; because while each rational creature has some knowledge of the eternal law, as stated above (Article 2), it also has a natural inclination to that which is in harmony with the eternal law; for "we are naturally adapted to the recipients of virtue" (Ethic. ii, 1).

Both ways, however, are imperfect, and to a certain extent destroyed, in the wicked; because in them the natural inclination to virtue is corrupted by vicious habits, and, moreover, the natural knowledge of good is darkened by passions and habits of sin. But in the good both ways are found more perfect: because in them, besides the natural knowledge of good, there is the added knowledge of faith and wisdom; and again, besides the natural inclination to good, there is the added motive of grace and virtue.

Accordingly, the good are perfectly subject to the eternal law, as always acting according to it: whereas the wicked are subject to the eternal law, imperfectly as to their actions, indeed, since both their knowledge of good, and their inclination thereto, are imperfect; but this imperfection on the part of action is supplied on the part of passion, in so far as they suffer what the eternal law decrees concerning them, according as they fail to act in harmony with that law. Hence Augustine says (De Lib. Arb. i, 15): "I esteem that the righteous act according to the eternal law; and (De Catech. Rud. xviii): Out of the just misery of the souls which deserted Him, God knew how to furnish the inferior parts of His creation with most suitable laws."

Reply to Objection 1. This saying of the Apostle may be understood in two ways. First, so that a man is said to be under the law, through being pinned down thereby, against his will, as by a load. Hence, on the same passage a gloss says that "he is under the law, who refrains from evil deeds, through fear of punishment threatened by the law, and not from love of virtue." In this way the spiritual man is not under the law, because he fulfils the law willingly, through charity which is poured into his heart by the Holy Ghost. Secondly, it can be understood as meaning that the works of a man, who is led by the Holy Ghost, are the works of the Holy Ghost rather than his own. Therefore, since the Holy Ghost is not under the law, as neither is the Son, as stated above (Article 4, Reply to Objection 2); it follows that such works, in so far as they are of the Holy Ghost, are not under the law. The Apostle witnesses to this when he says (2 Corinthians 3:17): "Where the Spirit of the Lord is, there is liberty."

Reply to Objection 2. The prudence of the flesh cannot be subject to the law of God as regards action; since it inclines to actions contrary to the Divine law: yet it is subject to the law of God, as regards passion; since it deserves to suffer punishment according to the law of Divine justice. Nevertheless in no man does the prudence of the flesh dominate so far as to destroy the whole good of his nature: and consequently there remains in man the inclination to act in accordance with the eternal law. For we have seen above (I-II:85:2) that sin does not destroy entirely the good of nature.

Reply to Objection 3. A thing is maintained in the end and moved towards the end by one and the same cause: thus gravity which makes a heavy body rest in the lower place is also the cause of its being moved thither. We therefore reply that as it is according to the eternal law that some deserve happiness, others unhappiness, so is it by the eternal law that some are maintained in a happy state, others in an unhappy state. Accordingly both the blessed and the damned are under the eternal law.

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 natural law is a habit?

Objection 1. It would seem that the natural law is a habit. Because, as the Philosopher says (Ethic. ii, 5), "there are three things in the soul: power, habit, and passion." But the natural law is not one of the soul's powers: nor is it one of the passions; as we may see by going through them one by one. Therefore the natural law is a habit.

Objection 2. Further, Basil [Damascene, De Fide Orth. iv, 22 says that the conscience or "synderesis" is the "law of our mind"; which can only apply to the natural law. But the "synderesis" is a habit, as was shown in the I:79:12. Therefore the natural law is a habit.

Objection 3. Further, the natural law abides in man always, as will be shown further on (Article 6). But man's reason, which the law regards, does not always think about the natural law. Therefore the natural law is not an act, but a habit.

On the contrary, Augustine says (De Bono Conjug. xxi) that "a habit is that whereby something is done when necessary." But such is not the natural law: since it is in infants and in the damned who cannot act by it. Therefore the natural law is not a habit.

I answer that, A thing may be called a habit in two ways. First, properly and essentially: and thus the natural law is not a habit. For it has been stated above (I-II:90:1 ad 2) that the natural law is something appointed by reason, just as a proposition is a work of reason. Now that which a man does is not the same as that whereby he does it: for he makes a becoming speech by the habit of grammar. Since then a habit is that by which we act, a law cannot be a habit properly and essentially.

Secondly, the term habit may be applied to that which we hold by a habit: thus faith may mean that which we hold by faith. And accordingly, since the precepts of the natural law are sometimes considered by reason actually, while sometimes they are in the reason only habitually, in this way the natural law may be called a habit. Thus, in speculative matters, the indemonstrable principles are not the habit itself whereby we hold those principles, but are the principles the habit of which we possess.

Reply to Objection 1. The Philosopher proposes there to discover the genus of virtue; and since it is evident that virtue is a principle of action, he mentions only those things which are principles of human acts, viz. powers, habits and passions. But there are other things in the soul besides these three: there are acts; thus "to will" is in the one that wills; again, things known are in the knower; moreover its own natural properties are in the soul, such as immortality and the like.

Reply to Objection 2. "Synderesis" is said to be the law of our mind, because it is a habit containing the precepts of the natural law, which are the first principles of human actions.

Reply to Objection 3. This argument proves that the natural law is held habitually; and this is granted.

To the argument advanced in the contrary sense we reply that sometimes a man is unable to make use of that which is in him habitually, on account of some impediment: thus, on account of sleep, a man is unable to use the habit of science. In like manner, through the deficiency of his age, a child cannot use the habit of understanding of principles, or the natural law, which is in him habitually.


Whether the natural law contains several precepts, or only one?

Objection 1. It would seem that the natural law contains, not several precepts, but one only. For law is a kind of precept, as stated above (I-II:92:2). If therefore there were many precepts of the natural law, it would follow that there are also many natural laws.

Objection 2. Further, the natural law is consequent to human nature. But human nature, as a whole, is one; though, as to its parts, it is manifold. Therefore, either there is but one precept of the law of nature, on account of the unity of nature as a whole; or there are many, by reason of the number of parts of human nature. The result would be that even things relating to the inclination of the concupiscible faculty belong to the natural law.

Objection 3. Further, law is something pertaining to reason, as stated above (I-II:90:1). Now reason is but one in man. Therefore there is only one precept of the natural law.

On the contrary, The precepts of the natural law in man stand in relation to practical matters, as the first principles to matters of demonstration. But there are several first indemonstrable principles. Therefore there are also several precepts of the natural law.

I answer that, As stated above (I-II:91:3), the precepts of the natural law are to the practical reason, what the first principles of demonstrations are to the speculative reason; because both are self-evident principles. Now a thing is said to be self-evident in two ways: first, in itself; secondly, in relation to us. Any proposition is said to be self-evident in itself, if its predicate is contained in the notion of the subject: although, to one who knows not the definition of the subject, it happens that such a proposition is not self-evident. For instance, this proposition, "Man is a rational being," is, in its very nature, self-evident, since who says "man," says "a rational being": and yet to one who knows not what a man is, this proposition is not self-evident. Hence it is that, as Boethius says (De Hebdom.), certain axioms or propositions are universally self-evident to all; and such are those propositions whose terms are known to all, as, "Every whole is greater than its part," and, "Things equal to one and the same are equal to one another." But some propositions are self-evident only to the wise, who understand the meaning of the terms of such propositions: thus to one who understands that an angel is not a body, it is self-evident that an angel is not circumscriptively in a place: but this is not evident to the unlearned, for they cannot grasp it.

Now a certain order is to be found in those things that are apprehended universally. For that which, before aught else, falls under apprehension, is "being," the notion of which is included in all things whatsoever a man apprehends. Wherefore the first indemonstrable principle is that "the same thing cannot be affirmed and denied at the same time," which is based on the notion of "being" and "not-being": and on this principle all others are based, as is stated in Metaph. iv, text. 9. Now as "being" is the first thing that falls under the apprehension simply, so "good" is the first thing that falls under the apprehension of the practical reason, which is directed to action: since every agent acts for an end under the aspect of good. Consequently the first principle of practical reason is one founded on the notion of good, viz. that "good is that which all things seek after." Hence this is the first precept of law, that "good is to be done and pursued, and evil is to be avoided." All other precepts of the natural law are based upon this: so that whatever the practical reason naturally apprehends as man's good (or evil) belongs to the precepts of the natural law as something to be done or avoided.

Since, however, good has the nature of an end, and evil, the nature of a contrary, hence it is that all those things to which man has a natural inclination, are naturally apprehended by reason as being good, and consequently as objects of pursuit, and their contraries as evil, and objects of avoidance. Wherefore according to the order of natural inclinations, is the order of the precepts of the natural law. Because in man there is first of all an inclination to good in accordance with the nature which he has in common with all substances: inasmuch as every substance seeks the preservation of its own being, according to its nature: and by reason of this inclination, whatever is a means of preserving human life, and of warding off its obstacles, belongs to the natural law. Secondly, there is in man an inclination to things that pertain to him more specially, according to that nature which he has in common with other animals: and in virtue of this inclination, those things are said to belong to the natural law, "which nature has taught to all animals" [Pandect. Just. I, tit. i], such as sexual intercourse, education of offspring and so forth. Thirdly, there is in man an inclination to good, according to the nature of his reason, which nature is proper to him: thus man has a natural inclination to know the truth about God, and to live in society: and in this respect, whatever pertains to this inclination belongs to the natural law; for instance, to shun ignorance, to avoid offending those among whom one has to live, and other such things regarding the above inclination.

Reply to Objection 1. All these precepts of the law of nature have the character of one natural law, inasmuch as they flow from one first precept.

Reply to Objection 2. All the inclinations of any parts whatsoever of human nature, e.g. of the concupiscible and irascible parts, in so far as they are ruled by reason, belong to the natural law, and are reduced to one first precept, as stated above: so that the precepts of the natural law are many in themselves, but are based on one common foundation.

Reply to Objection 3. Although reason is one in itself, yet it directs all things regarding man; so that whatever can be ruled by reason, is contained under the law of reason.


Whether all acts of virtue are prescribed by the natural law?

Objection 1. It would seem that not all acts of virtue are prescribed by the natural law. Because, as stated above (I-II:90:2) it is essential to a law that it be ordained to the common good. But some acts of virtue are ordained to the private good of the individual, as is evident especially in regards to acts of temperance. Therefore not all acts of virtue are the subject of natural law.

Objection 2. Further, every sin is opposed to some virtuous act. If therefore all acts of virtue are prescribed by the natural law, it seems to follow that all sins are against nature: whereas this applies to certain special sins.

Objection 3. Further, those things which are according to nature are common to all. But acts of virtue are not common to all: since a thing is virtuous in one, and vicious in another. Therefore not all acts of virtue are prescribed by the natural law.

On the contrary, Damascene says (De Fide Orth. iii, 4) that "virtues are natural." Therefore virtuous acts also are a subject of the natural law.

I answer that, We may speak of virtuous acts in two ways: first, under the aspect of virtuous; secondly, as such and such acts considered in their proper species. If then we speak of acts of virtue, considered as virtuous, thus all virtuous acts belong to the natural law. For it has been stated (Article 2) that to the natural law belongs everything to which a man is inclined according to his nature. Now each thing is inclined naturally to an operation that is suitable to it according to its form: thus fire is inclined to give heat. Wherefore, since the rational soul is the proper form of man, there is in every man a natural inclination to act according to reason: and this is to act according to virtue. Consequently, considered thus, all acts of virtue are prescribed by the natural law: since each one's reason naturally dictates to him to act virtuously. But if we speak of virtuous acts, considered in themselves, i.e. in their proper species, thus not all virtuous acts are prescribed by the natural law: for many things are done virtuously, to which nature does not incline at first; but which, through the inquiry of reason, have been found by men to be conducive to well-living.

Reply to Objection 1. Temperance is about the natural concupiscences of food, drink and sexual matters, which are indeed ordained to the natural common good, just as other matters of law are ordained to the moral common good.

Reply to Objection 2. By human nature we may mean either that which is proper to man—and in this sense all sins, as being against reason, are also against nature, as Damascene states (De Fide Orth. ii, 30): or we may mean that nature which is common to man and other animals; and in this sense, certain special sins are said to be against nature; thus contrary to sexual intercourse, which is natural to all animals, is unisexual lust, which has received the special name of the unnatural crime.

Reply to Objection 3. This argument considers acts in themselves. For it is owing to the various conditions of men, that certain acts are virtuous for some, as being proportionate and becoming to them, while they are vicious for others, as being out of proportion to them.