The negative cautions of science are never popular.

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.

We must bear in mind the possibility that the greater opportunities open in the twentieth century to women may be quite withdrawn, and that we may return to stricter regimentation of women.

If man has not found ways to deal with environmental problems such as water and air pollution by 1998, it will be too late. The future is not determined and it lies in our own hands.

It was not until we saw the picture of the earth, from the moon, that we realized how small and how helpless this planet is - something that we must hold in our arms and care for.

I am interested in what happens to people who find the whole of life so rewarding that they are able to move through it with the same kind of delight in which a child moves through a game.

The mind is not sex-typed.