“Why do you hate them so much?” he said. “You wouldn’t understand. I really think you wouldn’t understand,” said Angua. “It’s an . . . undead thing. They . . . sort of throw in your face the fact you’re not human.” “But you are human!” “Three weeks out of four. Can’t you understand that, when you have to be careful all the time, it’s dreadful to see things like that being accepted? They’re not even alive. But they can walk around and they never get people passing remarks about silver or garlic . . . up until now, anyway. They’re just machines for doing work!”