Jacob Marley: Why do you doubt your senses?
Ebenezer Scrooge: Because a little thing can effect them. A slight disorder of the stomach can make them cheat. You may be a bit of undigested beef, a blob of mustard, a crumb of cheese. Yes. There's more gravy than of grave about you.
Robert Marley: More gravy than of grave?
Jacob Marley: What a terrible pun. Where do you get those jokes?
Robert Marley: Leave comedy to the bears, Ebenezer.