Calvin and Hobbes by Bill Watterson for February 13, 1989
Rosalyn: Calvin, you've got two seconds to unlock this door and give me back my science notes! Calvin: You know, Rosalyn, I'd suggest you adopt a more humble attitude. You wouldn't want anything to happen to these notes, would you? Rosalyn: You scummy little troll! When you parents get home, I'll... Calvin: There's one page! Rosalyn: Augh!