I cannot face the idea of life without work. What would one do when ideas failed or words refused to come? It is impossible not to shudder at the thought.

What we call happiness in the strictest sense comes from the (preferably sudden) satisfaction of needs which have been dammed up to a high degree.

The liberty of the individual is no gift of civilization. It was greatest before there was any civilization.

A woman should soften but not weaken a man.

Anxiety in children is originally nothing other than an expression of the fact they are feeling the loss of the person they love.

A belligerent state permits itself every such misdeed, every such act of violence, as would disgrace the individual.

Sexuality is the key to the problem of the psychoneuroses and of the neuroses in general. No one who disdains the key will ever be able to unlock the door.