A man doesn't live who can call a Firefly an upstart.
2 seconds sound clip from the Duck Soup (1933) movie soundboard.
You can hear this line at 00:31:31.123 in the Blu-ray version of the movie.
Quote context
[...]
- What?
- I'm sorry I said that. It isn't fair to the rest of the baboons.
- This man's conduct is inexcusable!
- I did not come here to be insulted!
- I'm afraid this regrettable occurrence may plunge our countries into war.
- I've said enough. I'm a man of few words.
- I'm a man of one word. Scram!
- A man doesn't live who can call a Firefly an upstart.
- Oh, Your Excellency, I must speak to you!
[...]