The only justification for our concepts and systems of concepts is that they serve to represent the complex of our experiences; beyond this they have not legitimacy.

I believe that whatever we do or live for has its causality; it is good, however, that we cannot see through to it.

My feeling is religious insofar as I am imbued with the consciousness of the insufficiency of the human mind to understand more deeply the harmony of the Universe which we try to formulate as "laws of nature".

Mankind must give up war in the Atomic Era. What is at stake is the life or death of humanity.

Art is standing with one hand extended into the universe and one hand extended into the world, and letting ourselves be a conduit for passing energy.

When I examine myself and my methods of thought, I come to the conclusion that the gift of fantasy has meant more to me than my talent for absorbing positive knowledge. (Reading this makes me wonder how much sooner man could have walked on the moon... had we listened to a child's fantasies. It is truly a pity that so many lose their gift of imagination to the steady hum of the status quo.)

The moon does not simply disappear when we are not looking at it.