Nothing worth knowing can be understood with the mind.

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

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

The most beautiful emotion we can experience is the mysterious. It is the fundamental emotion that stands at the cradle of all true art and science.

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

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.

There is nothing that man fears more than the touch of the unknown. He wants to see what is reaching toward him and to be able to recognize or at least classify it. Man always tends to avoid physical contact with anything strange.

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

God is alive. Magic is afoot.

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

All things are filled full of signs, and it is a wise man who can learn about one thing from another.

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

Once something becomes discernible, or understandable, we no longer need to repeat it. We can destroy it.