“I'm not bloody well going to have it, understand?" Vimes shouted, shaking the ape back and forth.

"Oook," the Librarian pointed out, patiently.

"What? Oh. Sorry." Vimes lowered the ape, who wisely didn't make an issue out of it because a man angry enough to lift 300 pounds of orangutan without noticing is a man with too much on his mind.”