“All truths are bloody truths to me.”

“There are no facts, only interpretations.”

“When somebody dies we usually need reasons for consolation, not so much to alleviate our pain as to excuse ourselves for so readily feeling consoled.”

“But thus do I counsel you, my friends: distrust all in whom the impulse to punish is powerful! Distrust all those who talk much of their justice!”

“In a seriously intended intellectual emancipation a person's mute passions and cravings also hope to find their advantage.”

“Enthusiasm is the engine of success.”

“Enthusiasm is the mother of effort, and without it nothing great was ever achieved.”

“Activity is contagious.”