Do you not know how uncontrolled and unreliable the average human being is in all that concerns sexual life?

Children are completely egoistic; they feel their needs intensely and strive ruthlessly to satisfy them.

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

The poets and philosophers before me discovered the unconscious; what I discovered was the scientific method by which the unconscious can be studied.

No one who, like me, conjures up the most evil of those half-tamed demons that inhabit the human breast, and seeks to wrestle with them, can expect to come through the struggle unscathed.

Without love we fall ill.

The Irish are the one race for which psychoanalysis is of no use whatsoever... because they already live in a dream world.