The psychotherapist learns little or nothing from his successes. They mainly confirm him in his mistakes, while his failures, on the other hand, are priceless experiences in that they not only open up the way to a deeper truth, but force him to change his views and methods.

Like the sea itself, the unconscious yields an endless and self-replenishing abundance of creatures, a wealth beyond our fathoming.

Here and there it happened in my practice that a patient grew beyond himself because of unknown potentialities, and this became an experience of prime importance to me. I had learned in the meanwhile that the greatest and most important problems of life are all in a certain sense insoluble. They must be so because they express the necessary polarity inherent in every self-regulating system. They can never be solved, but only outgrown.

The sad truth is that man's real life consists of a complex of inexorable opposites - day and night, birth and death, happiness and misery, good and evil. We are not even sure that one will prevail against the other, that good will overcome evil, or joy defeat pain. Life is a battleground. It always has been and always will be; and if it were not so, existence would come to an end.

Modern man is sick because he is not whole.

If I accept the fact that a god is absolute and beyond all human experiences, he leaves me cold. I do not affect him, nor does he affect me. But if I know that a god is a powerful impulse in my soul, at once I must concern myself with him, for then he can become important

The greatest and most important problems of life are all fundamentally insoluble. They can never be solved but only outgrown.