Nothing is so easy to fake as the inner vision.

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

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.

Nothing from nothing ever yet was born.

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.

Appearances often are deceiving.

In the society of men, the truth resides now less in what things are than in what they are not. Our social realities are so ugly if seen in the light of exiled truth, and beauty is almost no longer possible if it is not a lie.

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.

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

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

Egypt was the mother of magicians.

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