What happened at Hiroshima was not only that a scientific breakthrough had occurred and that a great part of the population of a city had been burned to death, but that the problem of the relation of the triumphs of modern science to the human purposes of man had been explicitly defined.

The map of America is a map of endlessness, of opening out, of forever and ever. No man's face would make you think of it but his hope might, his courage might.

The only thing about a man that is a man . . . is his mind. Everything else you can find in a pig or a horse.