The best measure of a man's honesty isn't his income tax return. It's the zero adjust on his bathroom scale.

I'm quite fond of the writer who told a beginning author, "If you've got a message, use Western Union."

The information age has been driven and dominated by technopreneurs. We now have to apply these technologies in saving lives, improving livelihoods and lifting millions of people out of squalor, misery and suffering. In other words, our focus must now move from the geeks to the meek.

Death focuses the mind on the things that really matter: why are we here, and what should we do?

Once you can reproduce a phenomenon, you are well on the way to understanding it.

Science is the only religion of mankind.

Nowhere in space will we rest our eyes upon the familiar shapes of trees and plants, or any of the animals that share our world. Whatsoever life we meet will be as strange and alien as the nightmare creatures of the ocean abyss, or of the insect empire whose horrors are normally hidden from us by their microscopic scale.