“No man is free who is not master of himself.”

“God has entrusted me with myself. No man is free who is not master of himself. A man should so live that his happiness shall depend as little as possible on external things. The world turns aside to let any man pass who knows where he is going.”

“You may fetter my leg, but Zeus himself cannot get the better of my free will.”

“We must not believe the many, who say that only free people ought to be educated, but we should rather believe the philosophers who say that only the educated are free.”

“Circumstances don't make the man, they only reveal him to himself.”

“He who laughs at himself never runs out of things to laugh at.”

“But to be hanged—is that not unendurable?" Even so, when a man feels that it is reasonable, he goes off and hangs himself.”