TITLE: Taking lecture notes in lectures
QUESTION [47 upvotes]: Do you find it a good idea to take lecture notes (even detailed lecture notes) in mathematical lectures? 
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REPLY [20 votes]: Another way of taking notes in lectures:

This is taken from The Mathematical Gazette
Vol. 25, No. 267 (Dec., 1941), p. 287 . Taken from "Memoirs of Archbishop Fredrick Temple, I".