The dream acts as a safety-valve for the over-burdened brain.

Our knowledge of the historical worth of certain religious doctrines increases our respect for them, but does not invalidate our proposal that they should cease to be put forward as the reasons for the precepts of civilization. On the contrary! Those historical residues have helped us to view religious teachings, as it were, as neurotic relics, and we may now argue that the time has probably come, as it does in an analytic treatment, for replacing the effects of repression by the results of the rational operation of the intellect.

Sexual morality - as society in its extreme form, the American, defines it - is contemptible. I advocate an incomparably freer sexual life.

There are no mistakes.

None believes in his own death. In the unconscious everyone is convinced of his own immortality.

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

Religion belonged to the infancy of humanity. Now that humanity had come of age, it should be left behind.