The aim of psychoanalysis is to relieve people of their neurotic unhappiness so that they can be normally unhappy.

In mourning it is the world which has become poor and empty; in melancholia it is the ego itself.

Once again, only religion can answer the question of the purpose of life. One can hardly be wrong in concluding that the idea of life having a purpose stands and falls with the religious system.

There are no mistakes.

But the less a man knows about the past and the present the more insecure must prove to be his judgment of the future.

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.

He that has eyes to see and ears to hear may convince himself that no mortal can keep a secret. If his lips are silent, he chatters with his fingertips; betrayal oozes out of him at every pore.