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

It is sad but unfortunately true that man learns nothing from history.

The unconscious is the only available source of religious experience. This in certainly not to say that what we call the unconscious is identical with God or is set up in his place. It is simply the medium from which religious experience seems to flow. As to what the further cause of such experience might be, the answer to this lies beyond the range of human knowledge.

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.

Life really does begin at forty. Up until then, you are just doing research.

The mind has grown to its present state of consciousness as an acorn grows into an oak, or as saurians developed into mammals.

Imagination is a concentrated extract of all the forces of life.