Socrates — "I am a fool, but I know I'm a fool and that makes me smarter than you."

"It is not living that matters, but living rightly."

"An honest man is always a child."

"It is not difficult to avoid death. It is much more difficult to avoid wickedness, for it runs faster than death."

"For I do believe that I have been sent by God to the city as a gadfly to a great and noble horse which is rather sluggish because of its size and needs to be stirred up by a gadfly."

"I examined the poets, and I look on them as people whose talent overawes both themselves and others, people who present themselves as wise men and are taken as such, when they are nothing of the sort."