So if you practice hard, and do what you're told, you won't be beaten.
6 seconds sound clip from the Kung Fu - The Punch of Death movie soundboard.
You can hear this line at 00:04:14 in the DVD version of the movie.
Quote context
[...]
- I think it's safe to say that my brother and I are probably the best teachers in the province.
- He trains the feet, and I the fist.
- So if you practice hard, and do what you're told, you won't be beaten.
- Wait.
- Mai got into a fight last night, and he's probably not going to live.
[...]