. . . the newspapers of Utopia, he had long ago decided, would be terribly dull.

It is not easy to see how the more extreme forms of nationalism can long survive when men have seen the Earth in its true perspective as a single small globe against the stars.

The goal of the future is full unemployment, so we can play. That's why we have to destroy the present politico-economic system.

If there are any gods whose chief concern is man, they can't be very important gods.

It is really quite amazing by what margins competent but conservative scientists and engineers can miss the mark, when they start with the preconceived idea that what they are investigating is impossible.

The entire sweep of human history from the dark ages into the unknown future was considerably less important at the moment than the question of a certain girl and her feelings toward him.

In the long run, there are no secrets. in science. The universe will not cooperate in a cover-up.