The suffering of either sex - of the male who is unable, because of the way in which he was reared, to take the strong initiating or patriarchal role that is still demanded of him, or of the female who has been given too much freedom of movement as a child to stay placidly within the house as an adult - this suffering, this discrepancy, this sense of failure in an enjoined role, is the point of leverage for social change.

I had no reason to doubt that brains were suitable for a woman.

Earth Day is the first holy day which transcends all national borders, yet preserves all geographical integrities, spans mountains and oceans and time belts, and yet brings people all over the world into one resonating accord, is devoted to the preservation of the harmony in nature and yet draws upon the triumphs of technology, the measurement of time, and instantaneous communication through space.

Mothers are a biological necessity; fathers are a social invention

In the modern world we have invented ways of speeding up invention, and people's lives change so fast that a person is born into one kind of world, grows up in another, and by the time his children are growing up, lives in still a different world

The semimetaphysical problems of the individual and society, of egoism and altruism, of freedom and determinism, either disappear or remain in the form of different phases in the organization of a consciousness that is fundamentally social.

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.