- Supt. Blundell: [while discussing the Thoday's complicity] All this is nasty, very nasty. The Thodays are decent people!
- Lord Peter Wimsey: There's only one thing that would drive a decent man to murder - the shame and humiliation of a public scandal!
- Cranton: [During his interrogation] May I ask you an impertinent question, my lord?
- Lord Peter Wimsey: If you don't mind receiving an impertinent answer.
- Lord Peter Wimsey: Just wait till you get stuck in a belfry after dark. Bells are like cats and mirrors... they're always queer.