The ego represents what we call reason and sanity, in contrast to the id which contains the passions.

One day, in retrospect, the years of struggle will strike you as the most beautiful.

Words and magic were in the beginning one and the same thing, and even today words retain much of their magical power.

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

We know less about the sexual life of little girls than of boys. But we need not feel ashamed of this distinction; after all, the sexual life of adult women is a 'dark continent' for psychology.

Conscience is the internal perception of the rejection of a particular wish operating within us.

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