"What does not kill me, makes me stronger."

"Hope in reality is the worst of all evils, because it prolongs the torments of man."

"There are no facts, only interpretations."

"A thinker sees his own actions as experiments and questions--as attempts to find out something. Success and failure are for him answers above all."

"Morality is the herd-instinct in the individual."

"Convictions are the more dangerous enemy of truth than lies."

"One can pass on responsibility, but not the discretion that goes with it."

"How nice--to feel nothing, and still get full credit for being alive."

"If one is forever cautious, can one remain a human being?"

"Deus ex machina [A god from the machine]"

"The unexamined life is not worth living to a human."

"No poor bastard ever won a war by dying for his country. He won it by making other bastards die for their country."