““No need to be like that, sir,” said Groat levelly. “No need to be like that. You can’t destroy the mails. You just can’t do it, sir. That’s Tampering With The Mail, sir. That’s not just a crime, sir. That’s a, a—” “Sin?” said Moist. “Oh, worse’n a sin,” said Groat, almost sneering. “For sins you’re only in trouble with a god, but in my day, if you interfered with the mail, you’d be up against Chief Postal Inspector Rumbelow. Hah! And there’s a big difference. Gods forgive.””