Granny sighed. "You have learned something," she said, and thought it safe to insert a touch of sternness into her voice. "They say a little knowledge is a dangerous thing, but it is not one half so bad as a lot of ignorance.

The sign, which says: "Do not, under any circumstances, open this door!" - Of course, I've read it. Why do you think I want it opened?.. To see why they wanted it shut, of course. This exchange contains almost all you need to know about human civilization. At least, those bits of it that are now under the sea, fenced off or still smoking.

It is always useful to face an enemy who is prepared to die for his country," he read. "This means that both you and he have exactly the same aim in mind.

It was then that Marvin got religion. Not the quiet, personal kind, that involves doing good deeds and living a better life; not even the kind that involves putting on a suit and ringing people's doorbells; but the kind that involves having your own TV network and getting people to send you money.

Things have no power that humans don't put there.

Even our fears make us feel important, because we fear we might not be.

Most of my schooldays were the worst day of my life.