To be completely honest with oneself is the very best effort a human being can make.

These patients have turned away from outer reality; it is for this reason that they are more aware than we of inner reality and can reveal to us things which without them would remain impenetrable.

The wish to be able to fly is to be understood as nothing else than a longing to be capable of sexual performance.

The gods retain their threefold task: they must exorcize the terrors of nature, they must reconcile men to the cruelty of Fate, particularly as it is shown in death, and they must compensate them for the sufferings and privations which a civilized life in common has imposed on them.

I no longer count as one of my merits that I always tell the truth as much as possible; it has become my metier.

But the less a man knows about the past and the present the more insecure must prove to be his judgment of the future.

I have no concern with any economic criticisms of the communist system; I cannot inquire into whether the abolition of private property is expedient or advantageous. But I am able to recognize that the psychological premisses on which the system is based are an untenable illusion. In abolishing private property we deprive the human love of aggression of one of its instruments... but we have in no way altered the differences in power and influence which are misused by aggressiveness.