More and more, the choice for the world's people is between becoming world warriors or world citizens.

It makes little difference how many university courses or degrees a person may own. If he cannot use words to move an idea from one point to another, his education is incomplete.

The essence of man is imperfection.

The American people today are involved in a warfare more deadly than the war in Vietnam, but few of them seem aware of it and even fewer of them are doing anything about it. This is a war that is being waged against the American environment, against our lands, air, and water, which are the basis of that environment.

A book is like a piece of rope; it takes on meaning only in connection with the things it holds together.

The possibility of war increases in direct proportion to the effectiveness of the instruments of war.

All this sensory input, which begins in the brain, has its effect throughout the body.