“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.”

“If you follow the ways in which you were trained, which you may have inherited, for no other reason than this, you are illogical.”

“True genius resides in the capacity for evaluation of uncertain, hazardous, and conflicting information.”

“A public-opinion poll is no substitute for thought.”