Wonder is very important, because if we never wondered, we would never get to the point of asking questions. Yet wonder may lead people to write poetry or to paint pictures or to pray, as well as to ask the kinds of questions about the world and themselves that can be answered by science.

In contrast to our own social environment which brings out different aspects of human nature and often demonstrated that behavior which occurs almost invariably in individuals within our society is nevertheless due not to original nature but to social environment; and a homogeneous and simple development of the individual may be studied.

We are living beyond our means. As a people we have developed a life-style that is draining the earth of its priceless and irreplaceable resources without regard for the future of our children and people all around the world.

The prophet who fails to present a bearable alternative and yet preaches doom is part of the trap that he postulates.

in all cultures, human beings - in order to be human - must understand the nonhuman.

The problem with America today is that too many people know too much about not enough.

There is no greater insight into the future than recognizing...when we save our children, we save ourselves