We must reckon with the possibility that something in the nature of the sexual instinct itself is unfavorable to the realization of complete satisfaction.

The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.

We have long observed that every neurosis has the result, and therefore probably the purpose, of forcing the patient out of real life, of alienating him from actuality.

If youth knew; if age could.

It could be ventured to understand obsessive compulsive neurosis as the pathological counterpart of religious development, to define neurosis as an individual religiosity; to define religion as a universal obsessive compulsive neurosis.

A father's death is the most important event, the more heartbreaking and poignant loss in a man's life.

The first requisite of civilization, therefore, is that of justice — that is, the assurance that a law once made will not be broken in favour of an individual. This implies nothing as to the ethical value of such a law.