"Trying to define yourself is like trying to bite your own teeth."

"No work or love will flourish out of guilt, fear, or hollowness of heart, just as no valid plans for the future can be made by those who have no capacity for living now."

"The religious idea of God cannot do full duty for the metaphysical infinity."

"And the attitude of faith is the very opposite of clinging to belief, of holding on."

"Today I love myself as I love my god: who could charge me with a sin today? I know only sins against my god but who knows my god?"

"We must respect the other fellow's religion, but only in the sense and to the extent that we respect his theory that his wife is beautiful and his children smart."

"Until one has loved an animal a part of one's soul remains unawakened."

"Science can purify religion from error and superstition. Religion can purify science from idolatry and false absolutes."