No society has ever yet been able to handle the temptations of technology to mastery, to waste, to exuberance, to exploration and exploitation... We have to learn to cherish this earth and cherish it as something that's fragile, that's only one, it's all we have... We have to use our scientific knowledge to correct the dangers that have come from science and technology.

To demand that another love what one loves is tyranny enough, but to demand that another hate what one hates, is even worse.

In the presence of grandparent and grandchild, past and future merge in the present.

One characteristic of Americans is that they have no toleration at all of anybody putting up with anything. We believe that whatever is going wrong ought to be fixed.

Human beings do not carry civilization in their genes. All that we do carry in our genes are certain capacities- the capacity to learn to walk upright, to use our brains, to speak, to relate to our fellow men, to construct and use tools, to explore the universe, and to express that exploration in religion, in art, in science, in philosophy.

No skill, no special apti­tude, no vividness of imagination or precision of thinking would go unrecognized because the child who possessed it was of one sex rather than the other. No child would be relentlessly shaped to one pattern of behavior, but instead there should be many patterns, in a world that had learned to allow to each individual the pattern which was most congenial to his gifts.

Chief among our gains must be reckoned this possibility of choice, the recognition of many possible ways of life, where other civilizations have recognized only one. Where other civilizations give a satisfactory outlet to only one temperamental type, be he mystic or soldier, business man or artist, a civilization in which there are many standards offers a possibility of satisfactory adjustment to individuals of many different temperamental types, of diverse gifts and varying interests.