Anyone who wants to know the human psyche will learn next to nothing from experimental psychology. He would be better advised to abandon exact science, put away his scholar's gown, bid farewell to his study, and wander with human heart through the world.

We should not pretend to understand the world only by the intellect. The judgement of the intellect is only part of the truth.

We are convinced that certain people have all the bad qualities we do not know in ourselves.

Great talents are the most lovely and often the most dangerous fruits on the tree of humanity. They hang upon the most slender twigs that are easily snapped off.

The divine process of change manifests itself to our human understanding . . . as punishment, torment, death, and transfiguration.

Where wisdom reigns, there is no conflict between thinking and feeling.

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.