Men have gained control over the forces of nature to such an extent that with their help they would have no difficulty exterminating one another to the last man. They know this, and hence comes a large part of their current unrest, their unhappiness and their mood of anxiety.

Instinct of love toward an object demands a mastery to obtain it, and if a person feels they can't control the object or feel threatened by it, they act negatively toward it.

The idea of life having a purpose stands and falls with the religious system.

I have found little 'good' about human beings. In my experience, most of them are trash.

The primitive stages can always be re-established; the primitive mind is, in the fullest meaning of the word, imperishable.

A man who has been the indisputable favorite of his mother keeps for life the feeling of a conqueror.

Where id was, there ego shall be.