Great talents are the most lovely and often the most dangerous fruits on the tree of humanity. They hang upon the most slender twigs that are easily snapped off.

Our intellect has created a new world that dominates nature, and has populated it with monstrous machines.

You must live life in such a spirit that you make in every moment the best of possibilities.

The prerequisite for a good marriage ... is the license to be unfaithful.

It is often tragic to see how blatantly a man bungles his own life and the lives of others yet remains totally incapable of seeing how much the whole tragedy originates in himself, and how he continually feeds it and keeps it going.

We want to have certainties and no doubts- results and no experiments- without even seeing that certainties can arise only through doubt and results only thorough experiment.

The difference between the "natural" individuation process, which runs its course unconsciously, and the one that is consciously realized is tremendous. In the first case, consciousness nowhere intervenes; the end remains as dark as the beginning. In the second case, so much darkness comes to light that the personality is permeated with light and consciousness necessarily gains in scope and insight. The encounter between conscious and unconscious has to ensure that the light that shines in the darkness is not only comprehended by the darkness, but comprehends it.