When it happens that a person has to give up a sexual object, there quite often ensues an alteration of his ego which can only be described as a setting up of the object inside the ego, as it occurs in melancholia; the exact nature of this substitution is as yet unknown to us.

Were we fully to understand the reasons for other people's behavior, it would all make sense.

No, our science is no illusion. But an illusion it would be to suppose that what science cannot give us we can get elsewhere.

My psychoanalysis has equipped you with the equivalent of a train ticket to recovery. It is now your decision whether or not you choose to make full use of it.

The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life.

If one wishes to form a true estimate of the full grandeur of religion, one must keep in mind what it undertakes to do for men. It gives them information about the source and origin of the universe, it assures them of protection and final happiness, and it guides - by - precepts - backed by the full force of its authority.

Experience teaches that for most people there is a limit beyond which their constitution cannot comply with the demands of civilization. All who wish to reach a higher standard than their constitution will allow, fall victims to neurosis. It would have been better for them if they could have remained less "perfect".