The conscious mind allows itself to be trained like a parrot, but the unconscious does not — which is why St. Augustine thanked God for not making him responsible for his dreams.

People cannot stand too much Reality.

Freedom stretches only as far as the limits of our consciousness.

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.

As far as we can discern, the sole purpose of human existence is to kindle a light in the darkness of mere being.

The doctor is effective only when he himself is affected. Only the wounded physician heals.

Astrology is assured of recognition from psychology, without further restrictions, because astrology represents the summation of all the psychological knowledge of antiquity.