It sounds not only disagreeable but also paradoxical, yet it must nevertheless be said that anyone who is to be really free and happy in love must have surmounted his respect for women and have come to terms with the idea of incest with his mother or sister.

From error to error one discovers the entire truth.

To be completely honest with oneself is the very best effort a human being can make.

The madman is a dreamer awake

The doctor should be opaque to his patients and, like a mirror, should show them nothing but what is shown to him.

The creative writer does the same as the child at play; he creates a world of fantasy which he takes very seriously.

The psychic development of the individual is a short repetition of the course of development of the race.