There are thousands of good reasons why magic doesn't rule the world. They're called Witches and Wizards.

Aziraphale. The Enemy, of course. But an enemy for six thousand years now, which made him a sort of friend.

They may be called the Palace Guard, the City Guard, or the Patrol. Whatever the name, their purpose in any work of heroic fantasy is identical: it is, round about Chapter Three (or ten minutes into the film) to rush into the room, attack the hero one at a time, and be slaughtered. No one ever asks them if they want to. This book is dedicated to those fine men.

I think I work much harder on the children's books. I suppose I enjoy that. I find it interesting that although there are more than 30 books in the Discworld series, it is the four that were written for children which have won the awards. I've never been quite certain why this is.

That's what's so stupid about the whole magic thing, you know. You spend twenty years learning the spell that makes nude virgins appear in your bedroom, and then you're so poisoned by quicksilver fumes and half-blind from reading old grimoires that you can't remember what happens next.

You need to believe in things that aren't true. How else can they become?

Well, basically there are two sorts of opera," said Nanny, who also had the true witch's ability to be confidently expert on the basis of no experience whatsoever. "There's your heavy opera, where basically people sing foreign and it goes like "Oh oh oh, I am dyin', oh I am dyin', oh oh oh, that's what I'm doin'", and there's your light opera, where they sing in foreign and it basically goes "Beer! Beer! Beer! Beer! I like to drink lots of beer!", although sometimes they drink champagne instead. That's basically all of opera, reely.