You're not allowed to call them dinosaurs any more," said Yo-less. "It's speciesist. You have to call them pre-petroleum persons.

It was so much easier to blame it on Them. It was bleakly depressing to think that They were Us. If it was Them, then nothing was anyone's fault. If it was us, what did that make Me? After all, I'm one of Us. I must be. I've certainly never thought of myself as one of Them. No one ever thinks of themselves as one of Them. We're always one of Us. It's Them that do the bad things.

It as true that normal people couldn't hear Gaspode speak, because dogs don't speak. It's a well know fact. ... Besides, almost all dogs don't talk. Ones that do are merely a statistical error, and can therefore be ignored.

I wonder if it's like this for mountain climbers, he thought. You climb bigger and bigger mountains and you know that one day one of them is going to be just that bit too steep. But you go on doing it, because it’s so-o good when you breathe the air up there. And you know you'll die falling.

Shadwell hated all southerners and, by inference, was standing at the North Pole.

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.

My name is immaterial,' she said. That's a pretty name,' said Rincewind.