This exchange
Scrooge: At least I don't squander it like [Fred] you!
Christmas Present: You mustn't argue with those we visit it's useless! And even tactless
Scrooge: Tact is quality I despise
Fred: Quick as?
Guest doesn't answer
Christmas Present: Shhh, Ebeneezer!
Scrooge: You said they can neither see nor hear us!
Christmas Present: That's quite true. *laughs* Oh, yes, I'm sorry. Even I forget the
regulations.
"Tight as your uncle Scrooge's purse strings!"