Socrates — "Prefer knowledge to wealth, for the one is transitory, the other perpetual."

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

"[Meletus] cannot harm me, for I do not think it is permitted for the better man to be harmed by the worse."

"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."

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

"And so tyranny naturally arises out of democracy, and the most aggravated form of tyranny and slavery out of the most extreme form of liberty."