American society is very like a fish society. . . . Among certain species of fish, the only thing which determines order of dominance is length of time in the fishbowl. The oldest resident picks on the newest resident, and if the newest resident is removed to a new bowl, he, as oldest resident, will pick on the newcomers.

EARTH DAY uses one of humanity's great discoveries, the discovery of anniversaries by which, throughout time, human beings have kept their sorrows and their joys, their victories, their revelations and their obligations alive, for re-celebration and re-dedication another year, another decade, another century, another eon.

Warfare ... is just an invention, older and more widespread than the jury system, but none the less an invention.

Living in the modern world, clothed and muffled, forced to convey our sense of our bodies in terms of remote symbols like walking sticks and umbrellas and handbags, it is easy to lose sight of the immediacy of the human body plan.

We must recognize that beneath the superficial classifications of sex and race the same potentialities exist, recurring generation after generation, only to perish because society has no place for them.

Of all the peoples whom I have studied, from city dwellers to cliff dwellers, I always find that at least 50 percent would prefer to have at least one jungle between themselves and their mothers-in-law.

Humanity . . . lies in man's capacity to question the known and imagine the unknown.