A man's heterosexuality will not put up with any homosexuality, and vice versa.

If you want your wife to listen to you, then talk to another woman; she will be all ears.

Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways.

The dream is the liberation of the spirit from the pressure of external nature, a detachment of the soul from the fetters of matter.

It sounds not only disagreeable but also paradoxical, yet it must nevertheless be said that anyone who is to be really free and happy in love must have surmounted his respect for women and have come to terms with the idea of incest with his mother or sister.

The division of the psychical into what is conscious and what is unconscious is the fundamental premise of psycho-analysis; and it alone makes it possible for psycho-analysis to understand the pathological processes in mental life, which are as common as they are important, and to find a place for them in the framework of science.

The first human who hurled an insult instead of a stone was the founder of civilization.