Play is a uniquely adaptive act, not subordinate to some other adaptive act, but with a special function of its own in human experience.

History can predict nothing except that great changes in human relationships will never come about in the form in which they have been anticipated.

Physical nature lies at our feet shackled with a hundred chains. What of the control of human nature? Do not point to the triumphs of psychiatry, social services or the war against crime. Domination of human nature can only mean the domination of every man by himself.

Systematic philosophical and practical anti-intellectualism such as we are witnessing appears to be something truly novel in the history of human culture.

We are not human beings having a spiritual experience. We are spiritual beings having a human experience.

Remember, we are not human beings having a spiritual experience. We are spiritual beings having a human experience.