I approached the idea of college with the expectation of taking part in an intellectual feast. ... In college, in some way that I devoutly believed in but could not explain, I expected to become a person.

It is not until science has become a discipline to which the research ability of any mind from any class in society can be attracted that it can become rigorously scientific.

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 discovered when I had a child of my own that I had become a biased observer of small children. Instead of looking at them with affectionate but nonpartisan eyes, I saw each of them as older or younger, bigger or smaller, more or less graceful, intelligent, or skilled than my own child.

For the human species to evolve, the conversation must deepen.

When human beings have been fascinated by the contemplation of their own hearts, the more intricate biological pattern of the female has become a model for the artist, the mystic, and the saint. When mankind turns instead to what can be done, altered, built, invented, in the outer world, all natural properties of men, animals, or metals become handicaps to be altered rather than clues to be followed.

Grandparents are given a second chance to enjoy parenthood with fewer of its tribulations and anxieties.