The World Wide Web is the only thing I know of whose shortened form takes three times longer to say than what it's short for.

He had a tremendous propensity for getting lost when driving. This was largely because of his method of “Zen” navigation, which was simply to find any car that looked as if it knew where it was going and follow it. The results were more often surprising than successful, but he felt it was worth it for the sake of the few occasions when it was both.

For millions of years, on average, one species became extinct every century.... We are now heaving more than a thousand different species of animals and plants off the planet every year.

Words used carelessly, as if they did not matter in any serious way, often allowed otherwise well-guarded truths to seep through.

I tend to get very suspicious of anything that thinks it's art while it's being created.

Oh dear,' says God, 'I hadn't thought of that,' and promptly vanishes in a puff of logic.

The Encyclopedia Galactica defines a robot as a mechanical apparatus designed to do the work of a man. The marketing division of the Sirius Cybernetics Corporation defines a robot as "Your Plastic Pal Who's Fun to Be With. The Hitchhiker's Guide to the Galaxy defines the marketing devision of the Sirius Cybernetic Corporation as "a bunch of mindless jerks who'll be the first against the wall when the revolution comes.