Life... is like a grapefruit. Well, it's sort of orangey-yellow and dimpled on the outside, wet and squidgy in the middle. It's got pips inside, too. Oh, and some people have half a one for breakfast.

R is a velocity of measure, defined as a reasonable speed of travel that is consistent with health, mental well-being, and not being more than, say, five minutes late. It is therefore clearly as almost infinite variable figure according to circumstances, since the first two factors vary not only with speed as an absolute, but also with awareness of the third factor. Unless handled with tranquility, this equation can result in considerable stress, ulcers, and even death.

Space is really big-REALLY big.

A theory of the universe that states: If anyone finds out what the universe is for, it will disappear and be replaced by something more bizarrely inexplicable.

Cyberspace is - or can be - a good, friendly and egalitarian place to meet.

I like the cover," he said. "Don't Panic. It's the first helpful or intelligible thing anybody's said to me all day.

That young girl is one of the least benightedly unintelligent organic life forms it has been my profound lack of pleasure not to be able to avoid meeting.