"A man who really fights for justice must lead a private, not a public, life if he is to survive for even a short time."

"Be slow to fall into friendship, but when you are in, remain firm and constant."

"If anyone says that he has learned anything from me... be assured that he is not telling the truth."

"This man among you, mortals, is wisest who, like Socrates, understands that his wisdom is worthless."

"But this is not difficult, O Athenians! to escape death; but it is much more difficult to avoid depravity, for it runs swifter than death."