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

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.

In matters of sexuality we are at present, every one of us, ill or well, nothing but hypocrites.

Psychoanalysis is in essence a cure through love.

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

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

Even if all parts of a problem seem to fit together like the pieces of a jigsaw puzzle, one has to remember that the probable need not necessarily be the truth and the truth not always probable.