Every muscular rigidity contains the history and the meaning of its origin.

You don't believe that your friend could ever do anything great. You despise yourself in secret, even – no, especially – when you stand on your dignity; and since you despise yourself, you are unable to respect your friend. You can't bring yourself to believe that anyone you have sat at table with, or shared a house with, is capable of great achievement. That is why all great men have been solitary. It is hard to think in your company, little man. One can only think 'about' you, or 'for your benefit', not 'with' you, for you stifle all big, generous ideas.

Sexually awakened women, affirmed and recognized as such, would mean the complete collapse of the authoritarian ideology

Honest pioneer work in the field of science has always been, and will continue to be, life's pilot. On all sides, life is surrounded by hostility. This puts us under an obligation.

I do not believe that to be religious in the best, authentic sense a man has to destroy his love life and mummify himself, body and soul.

The pleasure of living and the pleasure of the orgasm are identical. Extreme orgasm anxiety forms the basis of the general fear of life.

There is no proof. There are no authorities whatever. No president, Academy, Court of Law, Congress or Senate on this earth has the knowledge or power to decide what will be the knowledge of tomorrow. There is no use in trying to prove something that is unknown to somebody who is ignorant of the unknown, or fearful of its threatening power. Only the good old rules of learning will eventually bring about understanding of what has invaded our earthly existence.