Nothing is so easy to fake as the inner vision.

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

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

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

Superstitions are habits rather than beliefs.

Everything that deceives does so by casting a spell.

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

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.

The mind is led on, step by step, to defeat its own logic.

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

There is not so contemptible a plant or animal that does not confound the most enlarged understanding.

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.