Anything that is theoretically possible will be achieved in practice, no matter what the technical difficulties are, if it is desired greatly enough.

It is vital to remember that information - in the sense of raw data - is not knowledge, that knowledge is not wisdom, and that wisdom is not foresight. But information is the first essential step to all of these.

After their encounter on the approach to Jupiter, there would aways be a secret bond between them---not of love, but of tenderness, which is often more enduring.

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

It was one thing to have guessed it, another to have had that guess confirmed beyond possibility of refutation.

I have a fantasy where Ted Turner is elected President but refuses because he doesn't want to give up power.

We seldom stop to think that we are still creatures of the sea, able to leave it only because, from birth to death, we wear the water-filled space suits of our skins.