In such doubtful matters, where you have to work as a pioneer, you must be able to put some trust in your intuition and follow your feeling even at the risk of going wrong.

You must go in quest of yourself, and you will find yourself again only in the simple and forgotten things.

Nothing is possible without love.

Space flights are merely an escape, a fleeing away from oneself, because it is easier to go to Mars or to the moon than it is to penetrate one's own being.

The main interest of my work is not concerned with the treatment of neuroses but rather with the approach to the numinous. But the fact that the approach to the numinous is the real therapy, and inasmuch as you attain to the numinous experience you are released from the curse of pathology. Even the very disease takes on a numinous character.

A book of mine is always a matter of fate. There is something unpredictable about the process of writing, and I cannot prescribe for myself any predetermined course.

Not only does the psyche exist, but it is existence itself. It is an almost absurd prejudice to suppose that existence can only be physical...We might well say, on the contrary, that physical existence is a mere inference, since we know of matter only in so far as we perceive psychic images mediated by the senses.