I don't think there are any secrets to writing in the - everybody has their own techniques. You must be widely read, that's one thing, because you have to resolve a tremendous amount of background information. Also, you should know what the competition is writing, just so you're not wasting your time doing the same thing. Unless you do it better, of course.

As three laws were good enough for Newton, I have modestly decided to stop there.

If an elderly but distinguished scientist says that something is possible, he is almost certainly right; but if he says that it is impossible, he is very probably wrong.

I doubt if there is a single field of study so theoretical, so remote from what is laughingly called everyday life, that it may not one day produce something that will shake the world.

The one fact about the future of which we can be certain is that it will be utterly fantastic.

I've been saying for a long time that I'm hoping to find intelligent life in Washington.

A hundred years ago, the electric telegraph made possible-indeed, inevitable-the United States of America. The communications satellite will make equally inevitable a United Nations of Earth; let us hope that the transition period will not be equally bloody.