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

"I do know, however, that it is wicked and shameful to do wrong, to disobey one's superior, be he god or man."

"I know nothing except the fact of my ignorance."

"He marvelled that anyone should make money by the profession of virtue, and should not reflect that his highest reward would be the gain of a good friend."

"I do not think that I am a bad man, but I do think that I am a bad orator."