How inappropriate to call this planet Earth when it is quite clearly Ocean.

Any path to knowledge is a path to God-or Reality, whichever word one prefers to use

I am an optimist. Anyone interested in the future has to be otherwise he would simply shoot himself.

The crossing of space ... may do much to turn men's minds outwards and away from their present tribal squabbles. In this sense, the rocket, far from being one of the destroyers of civilisation, may provide the safety-value that is needed to preserve it.

Utopia was here at last: its novelty had not yet been assailed by the supreme enemy of a ll Utopias - boredom.

Isaac Asimov is, in reality, based on something I had invented a few years previously.

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.