In some place in my soul, in a very hidden corner, I am a fanatical Jew. I am very much astonished to discover myself as such in spite of all efforts to be unprejudiced and impartial. What can I do against it at my age?

The defense against childish helplessness is what lends its characteristic features to the adult's reaction to the helplessness which he has to acknowledge - a reaction which is precisely the formation of religion.

One becomes gradually accustomed to a new realization of the nature of 'happiness': one has to assume happiness when Fate does not carry out all its threats simultaneously.

At bottom God is nothing more than an exalted father.

The moment a man questions the meaning and value of life, he is sick, since objectively neither has any existence; by asking this question one is merely admitting to a store of unsatisfied libido to which something else must have happened, a kind of fermentation leading to sadness and depression.

An intimate friend and a hated enemy have always been indispensable requirements for my emotional life; I have always been able to create them anew, and not infrequently my childish ideal has been so closely approached that friend and enemy coincided in the same person.

The unconscious of one human being can react upon that of another without passing through the conscious.