Lord Peter: Don't be so damned discouraging. Anyone would think you had no confidence in me.
Harriet Vane: Peter, people have been wrongly condemned before now.
Lord Peter: Only because I wasn't there.
Harriet Vane: Oh, I never thought of that.
Freddy Arbuthnot: I've been sleuthing like stink on the track of your man.
Lord Peter: I don't think you have the faintest idea how to pick a lock, Miss Murchison?
Miss Murchison: I am afraid not. No idea, whatsoever.
Lord Peter: I sometimes wonder what we went to school for.
Bill Rumm: There ain't a deed box in the whole of this here city what I couldn't open blindfolded, in boxing gloves, with a stick of boiled macaroni.
Harriet Vane: If anyone does marry you, Peter, it will be for the pleasure of hearing you talk piffle.