The intention that man should be happy is not in the plan of Creation.

A religion, even if it calls itself a religion of love, must be hard and unloving to those who do not belong to it.

Neurosis is the result of a conflict between the ego and its id, whereas psychosis is the analogous outcome of a similar disturbance in the relation between the ego and the external world.

[The child receives impressions like] a photographic exposure that can be developed after any interval of time and transformed into a picture.

The madman is a dreamer awake

The price of civilization is instinctual renunciation.

Immorality, no less than morality, has at all times found support in religion.