Knowing your own darkness is the best method for dealing with the darkness's of other people. One does not become enlightened by imagining figures of light, but by making the darkness conscious. The most terrifying thing is to accept oneself completely. Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

During my medical education at the University of Basle I found vivisection horrible, barbarous and above all unnecessary

Faith, hope, love, and insight are the highest achievements of human effort. They are found-given-by experience.

To me dreams are part of nature, which harbors no intention to deceive but expresses something as best it can.

New ideas are not only the enemies of old ones; they also appear often in an extremely unacceptable form.

The time is a critical one, for it marks the beginning of the second half of life, when a metanoia, a mental transformation, not infrequently occurs. (on being 36 yrs old)

There is rarely a creative man who does not have to pay a high price for the divine spark of his greatest gifts... the human element is frequently bled for the benefit of the creative element and to such an extent that it even brings out the bad qualities, as for instance, ruthless, naive egoism (so-called "auto-eroticism"), vanity, all kinds of vices-and all this in order to bring to the human I at least some life-strength, since otherwise it would perish of sheer inanition.