"The essence of science is that it is always willing to abandon a given idea for a better one; the essence of theology is that it holds its truths to be eternal and immutable."
"Happiness is the china shop; love is the bull."
"The older I grow, the more I distrust the familiar doctrine that age brings wisdom."
"If, after I depart this vale, you ever remember me and have thought to please my ghost, forgive some sinner and wink your eye at some homely girl."
"You never push a noun against a verb without trying to blow up something."
"The trouble with Communism is the Communists, just as the trouble with Christianity is the Christians."