“Why are those who are notoriously undisciplined and unmoral also most contemptuous of religion and morality? They are trying to solace their own unhappy lives by pulling the happy down to their own...”

“The difference between the love of a man and the love of a woman is that a man will always give reasons for loving, but a woman gives no reasons for loving.”

“Hearing nuns' confessions is like being stoned to death with popcorn.”

“It takes three to make love, not two: you, your spouse, and God. Without God people only succeed in bringing out the worst in one another. Lovers who have nothing else to do but love each other soo...”

“Criticism of others is thus an oblique form of self-commendation. We think we make the picture hang straight on our wall by telling our neighbors that all his pictures are crooked.”

“If you don't behave as you believe, you will end by believing as you behave.”

“Our intelligence cannot wall itself up alive, like a pupa in a chrysalis. It must at any cost keep on speaking terms with the universe that engendered it.”

“Many were incarcerated with the aberrant prosaic possibilities of ataraxia. Only the mentally sensitive few were cognizant of the nuisance to serenity and an actuality that lacked a balance betwixt...”

“What, then, is truth? A mobile army of metaphors, metonyms, and anthropomorphisms in short, a sum of human relations, which have been enhanced, transposed, and embellished poetically and rhetorica...”

“I do not know what I may appear to the world, but to myself I seem to have been only like a boy playing on the sea-shore, and diverting myself in now and then finding a smoother pebble or a prettie...”

“To know the history of science is to recognize the mortality of any claim to universal truth. ”

“The scientist only imposes two things, namely truth and sincerity, imposes them upon himself and upon other scientists.”