Everything is a miracle. It is a miracle that one does not dissolve in one’s bath like a lump of sugar.

Nothing is so easy as to deceive one’s self; for what we wish, that we readily believe.

On no other stage are the scenes shifted with a swiftness so like magic as on the great stage of history when once the hour strikes.

Have you ever, looking up, seen a cloud like to a centaur, a leopard, a wolf, or a bull?

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

Nothing from nothing ever yet was born.

Appearances often are deceiving.

The fact is certain because it is impossible.

The believer in magic and miracles reflects on how to impose a law on nature—and, in brief, the religious cult is the outcome of this reflection.

The fear of the Lord is true wisdom, and he who hath it not can in no way penetrate the true secrets of magic.

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

Many are the wonders of the world, and none so wonderful as man.

Superstitions are habits rather than beliefs.