“Without art, we should have no notion of the sacred; without science, we should always worship false gods.”

“Every autobiography is concerned with two characters, a Don Quixote, the Ego, and a Sancho Panza, the Self.”

“I am all in a sea of wonders. I doubt; I fear; I think strange things, which I dare not confess to my own soul.”

“If you take too long in deciding what to do with your life, you'll find you've done it.”

“Fear and doubt are major stampeders.”

“You have killed my love. You used to stir my imagination. Now you don't even stir my curiosity. You simply produce no effect. I loved you because you were marvelous, because you had genius and inte...”

“Intelligence minus purpose equals stupidity.”

“But spontaneity is not by any means a blind, disorderly urge, a mere power of caprice. A philosophy restricted to the alternatives of conventional language has no way of conceiving an intelligence ...”