So they speak soothingly about progress and the greatest possible happiness, forgetting that happiness is itself poisoned if the measure of suffering has not been fulfilled.

Whenever we give up, leave behind, and forget too much, there is always the danger that the things we have neglected will return with added force

Nobody can fall so low unless he has a great depth. If such a thing can happen to a man, it challenges his best and highest on the other side; that is to say, this depth corresponds to a potential height, and the blackest darkness to a hidden light.

In studying the history of the human mind one is impressed again and again by the fact that its growth keeps pace with a widening range of consciousness, and that each step forward is an extremely painful and laborious achievement. One could almost say that nothing is more hateful to man than to give up the smallest particle of unconsciousness. He has a profound fear of the unknown. Ask anybody who has ever tried to introduce new ideas!

A particularly beautiful woman is a source of terror. As a rule, a beautiful woman is a terrible disappointment.

I don't believe there is a God. I know there is a God.

The problem of synchronicity has puzzled me for a long time, ever since the middle twenties, when I was investigating the phenomena of the collective unconscious and kept on coming across connections which I simply could not explain as chance groupings or "runs." What I found were "coincidences" which were connected so meaningfully that their "chance" concurrence would represent a degree of improbability that would have to be expressed by an astronomical figure.