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.

... some veil between childhood and the present is necessary. If the veil is withdrawn, the artistic imagination sickens and dies, the prophet looks in the mirror with a disillusioned and cynical sneer, the scientist goes fishing.

If sports are the toy department of life, then the NFL is the FAO Schwartz of sports.

Any town that doesn't have sidewalks doesn't love its children.

Many people are shrinking from the future and from participation in the movement toward a new, expanded reality. And, like homesick travelers abroad, they are focusing their anxieties on home. The reasons are not far to seek. We are at a turning point in human history. . . . We could turn our attention to the problems that going to the Moon certainly will not solve ... But I think this would be fatal to our future. . . . A society that no longer moves forward does not merely stagnate; it begins to die.

The negative cautions of science are never popular.

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