Sirs, I have tested your machine. It adds a new terror to life and makes death a long-felt want.

Never say a humorous thing to a man who does not possess humour: he will always use it in evidence against you.

It is difficult to live up to one's posters:When I pass my name in such large letters I blush, but at the same time instinctively raise my hat.

Every man is a potential genius until he does something.

David Brin is a technological determinist. He thinks that we understand the trend and we need to hop on it. I don't have any such illusions.

'The world is moving so fast these days that the man who says it can't be done is generally interrupted by someone doing it.'

Certainly we ought to be discontented, we ought not simply to find out ways of making the best of a bad job, and yet if we kill all pleasure in the actual proc…