- Inspector Lestrade: You know, Watson, although I've known Holmes for some years, I sometimes wonder if he's all there.
- Sherlock Holmes: May I offer you a piece of advice? Never give in to sudden impulses. They're even more dangerous than you and I am.
- Sherlock Holmes: My dear Mrs. Hudson, you've always been a temptation to me, but haddock after a good breakfast is not.
- Mrs. Hudson: Lawd, and you do carry on!
- Dr. John Watson: Oh, Holmes, you're marvelous!
- Sherlock Holmes: Elementary, my dear Watson, elementary.
- Prof. Robert Moriarty, alias Col. Henslowe: Adair!
- [Adair turns around and sees no one]
- Prof. Robert Moriarty, alias Col. Henslowe: Adair!
- Ronald Adair: [Realizing that the voice is coming from a painting of a cardinal] Oh, my God! Am I drunk?
- Prof. Robert Moriarty, alias Col. Henslowe: I hope not at ten o'clock in the morning.
- Ronald Adair: [to his fellow bridge players as he leaves the game] No, don't get up. I hope you all win.