“We learn from experience that men never learn anything from experience.”

“If history repeats itself, and the unexpected always happens, how incapable must Man be of learning from experience.”

“Men are wise in proportion, not to their experience, but to their capacity for experience.”

“If you teach a man anything, he will never learn.”

“I have never thought much of the courage of a lion tamer. Inside the cage he is at least safe from other men. There is not much harm in a lion. He has no ideals, no religion, no politics, no chivalry, no gentility; in short, no reason for destroying anything that he does not want to eat”

“I learned long ago, never to wrestle with a pig, you get dirty; and besides, the pig likes it.”

“Why should we take advice on sex from the pope? If he knows anything about it, he shouldn't!”