Nature does not deceive or conceal, but reveals.

Mind and matter are two different aspects of one and the same thing.

The squaring of the circle is a stage on the way to the unconscious, a point of transition leading to a goal lying as yet unformulated beyond it. It is one of those paths to the centre.

The collective unconscious contains the whole spiritual heritage of mankind's evolution born anew in the brain structure of every individual.

The secret to Hitler's power is ... that his unconscious has exceptional access to his conscious and ... that he allows himself to be moved by it. [Others] have too much rationality, too much cerebrum to obey it [but] Hitler listens.

Wherever an inferiority complex exists, there is a good reason for it.

In thirty years I have treated many patients. Among all my patients in the second half of life, every one of them fell ill because he had lost that which the living religions of every age had given their followers, and none of them was really healed who did not regain his religious outlook.