You can't map a sense of humor. Anyway, what is a fantasy map but a space beyond which There Be Dragons? On the Discworld we know that There Be Dragons Everywhere. They might not all have scales and forked tongues, but they Be Here all right, grinning and jostling and trying to sell you souvenirs.

There's a saying that all roads lead to Ankh-Morpork. And it's wrong. All roads lead away from Ankh-Morpork, but sometimes people just walk along them the wrong way.

If you have let pride get the better of you, then you have already lost, but if you grab pride by the scruff of the neck and ride it like a stallion, then you may have already won.

People whose concept of ancient history is the first series of Star Trek may be treated with patience, because it's usually not their fault they were reduced to getting their education from school.

As far as Death was aware, the sole reason for any human association with pigs and lambs was as a prelude to chops and sausages. Quite why they should dress up for children’s wallpaper as well was a mystery. Hello, little folk, this is what you’re going to eat… He felt that if only he could find the key to it, he’d know a lot more about human beings.

Actors, said Granny, witheringly. As if the world weren't full of enough history without inventing more.

The Librarian considered matters for a while. So…a dwarf and a troll. He preferred both species to humans. For one thing, neither of them were great readers. The Librarian was, of course, very much in favor of reading in general, but readers in particular got on his nerves. There was something, well, sacrilegious about the way they kept taking books off the shelves and wearing out the words by reading them. He liked people who loved and respected books, and the best way to do that, in the Librarian’s opinion, was to leave them on the shelves where Nature intended them to be.