Appearances often are deceiving.

Men willingly believe what they wish.

The more enlightened our houses are, the more their walls ooze ghosts.

Nothing worth knowing can be understood with the mind.

A miracle entails a degree of irrationality—not because it shocks reason, but because it makes no appeal to it.

Any serious attempt to do anything worthwhile is ritualistic.

To blow and to swallow at the same time is not easy; I cannot at the same time be here and also there.

Superstitions are habits rather than beliefs.

I shall curse you with book and bell and candle.

There are times when reality becomes too complex for oral communication. But legend gives it a form by which it pervades the whole world.

Man is always a wizard to man, and the social world is at first magical.

Faith is to believe what you do not see; the reward of this faith is to see what you believe.

To ensure the adoration of a theorem for any length of time, faith is not enough; a police force is needed as well.