You'll have to be much more courteous!
5 seconds sound clip from the Mystery of Chess Boxing movie soundboard.
You can hear this line at 00:20:06 in the DVD version of the movie.
Quote context
[...]
- Of course! You're new in the school and schools have rules. All right?
- Sure.
- You'll have to be much more courteous!
- You keep the bowl level. You see? Just like that.
- Got it?
- Hungry? Too bad. If a man's hungry he has to steal!
[...]