Appearances often are deceiving.

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

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.

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

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.

Nothing worth knowing can be understood with the mind.

Superstitions are habits rather than beliefs.

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

Nothing is so easy to fake as the inner vision.

Bid me discourse, I will enchant thine ear.

In the past, men created witches; now they create mental patients.