“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.”

“I should attempt to treat human vice and folly geometrically... the passions of hatred, anger, envy, and so on, considered in themselves, follow from the necessity and efficacy of nature... I shall...”

“If you can't test it, it's not theorics -- it's metatheorics. A branch of philosophy. So, if you want to think of it this way, our test equipment is what defines the boundary separating theorics fr...”

“Physicists have come to realize that mathematics, when used with sufficient care, is a proven pathway to truth.”

“I have little use for religion as it is practiced, or for astrology, or for belief in witchcraft or omens of good or ill-luck. I think they all stem from some insufficiency in mens minds, perhaps f...”

“It is only the innocent mind which knows what love is, and the innocent mind can live in the world which is not innocent.”

“So if you can look at all things without allowing pleasure to creep in - at a face, a bird, the colour of a sari, the beauty of a sheet of water shimmering in the sun, or anything that gives deligh...”

“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.”