Vimes struggled to his feet, shook his head and set off after it. No thought was involved. It is the ancient instinct of terriers and policemen to chase anything that runs away.

Carpe Jugulum," read Agnes aloud. "That's... well, Carpe Diem is 'Sieze the Day,' so this means-" "Go for the throat

A police procedural novel can be even funnier if the police include Trolls and Dwarves and things like that. You start looking at the whole basis of the cop novel. You get the cop moving in a different way when you've actually set it in a fantasy city.

Goodness is about what you do. Not who you pray to.

There was this about vampires : they could never look scruffy. Instead, they were... what was the word... deshabille. It meant untidy, but with bags and bags of style.

The worst thing you can do is nothing.

It's a sword. said the Hogfather. They're not meant to be safe.