- Hugh Drake: ...it's like finding a needle in a haystack.
- Charlie Chan: Needle can be found when correct thread located.
- Charlie Chan: [to Drake] British tenacity with Chinese patience like royal flush in poker game - unbeatable.
- Jimmy Chan: Come on, Pop. Let's get goin'!
- Charlie Chan: Number Two get going to bed.
- Jimmy Chan: Oh, but I'm not tired.
- Charlie Chan: Fresh weed better than wilted rose.
- Charlie Chan: [to Jimmy] Will inform mother that aid from Number Two Son like interest on mortgage - impossible to escape.
- Butler: [Frightened during police interrogation] Yes, sir, but I don't know nuthin'. I don't know nuthin' about nuthin', sir. I's completely in the dark.
- Charlie Chan: [Sarcastically] Condition appear contagious.
- Jimmy Chan: Say, Pop, what d'ya think about this?
- Charlie Chan: Like dog chasing his own tail - getting no place.
- Insp. Vance: Looks like the kid's right again, Charlie.
- Jimmy Chan: [Excitedly] See, it's the easiest nut I ever cracked!
- Charlie Chan: Easy nut to crack often empty.
- Insp. Vance: [Exasperated at the size of the lineup] I never knew there were so many Hindus in New York!