The greatest tragedy in mankind's entire history may be the hijacking of morality by religion.

We stand now at the turning point between two eras. Behind us is a past to which we can never return...

He found it both sad and fascinating that only through an artificial universe of video images could she establish contact with the real world.

If we have learned one thing from the history of invention and discovery, it is that, in the long run-and often in the short one-the most daring prophecies seem laughably conservative.

In the long run, there are no secrets. in science. The universe will not cooperate in a cover-up.

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

It is really quite amazing by what margins competent but conservative scientists and engineers can miss the mark, when they start with the preconceived idea that what they are investigating is impossible.