“He's going to go totally Librarian-poo.”

“He's going to arrest the Patrician, Vimes told himself, the thought trickling through his brain like an icy rivulet. He's actually going to arrest the Patrician. The supreme ruler. He's going to arrest him. This is what he's actually going to do. The boy doesn't know the meaning of the word "fear." Oh, wouldn't it be a good idea if he knew the meaning of the word "survival"...”

“He helped the Librarian up. There was a red glow in the ape's eyes. It had tried to steal his books. This was probably the best proof any wizard could require that the trolleys were brainless.”

“He was determined to discover the underlying logic behind the universe.Which was going to be hard, because there wasn't one.”

“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.”

“The footprints go this way," said Cuddy, "and then they return. But the ones coming back aren't so deep as the ones going. You can see they're later ones because they're over the top of the other ones. So he was heavier than he was coming back, yes?""Right," said Detritus. "So that means...?""He lose weight?”

“Look, he said to his imagination, if this is how you're going to behave, I shan't bring you again.”