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.

It used to be when we said, ''til death do us part,' death parted us pretty soon. That's why marriages used to last forever. Everybody was dead.

The negative cautions of science are never popular.

The negative cautions of science are never popular. If the experimentalist would not commit himself, the social philosopher, the preacher, and the pedagogue tried the harder to give a short-cut answer.

Samoa culture demonstrates how much the tragic or the easy solution of the Oedipus situation depends upon the inter-relationship between parents and children, and is not created out of whole cloth by the young child's biological impulses.

An occupation that has no basis in sex-determined gifts can now recruit its ranks from twice as many potential artists.

Envy of the male role can come as much from an undervaluation of the role of wife and mother as from an overvaluation of the public aspects of achievement that have been reserved for men.