“‘You? We can’t take you,’ said the Dean, glaring at the Librarian. ‘You don’t know a thing about guerrilla warfare.’

‘Oook!’ said the Librarian, and made a surprisingly comprehensive gesture to indicate that, on the other hand, what he didn’t know about orangutan warfare could be written on the very small pounded-up remains of, for example, the Dean.”

– Terry Pratchett – Reaper Man