When a man learns Kung Fu, he's modest and withdrawn. He doesn't go around getting himself in fights. And you should know that!

11 seconds sound clip from the Heroes of the East (1978) movie soundboard.

You can hear this line at 00:35:51.060 in the DVD version of the movie.

Quote context

[...]

- You don't know its history. You know nothing!

- I don't wanna know it, either. To me, that stinks.

- You're not fit to fight me. You know nothing!

- Enough!

- Rolling Lion. Reverse Aloe Kick.

- You had a fight?

- No... But still, uh...

- Now, I've told you many times not to get into fights.

- When a man learns Kung Fu, he's modest and withdrawn. He doesn't go around getting himself in fights. And you should know that!

- Sir.

- Who'd you fight?

- Well, someone who claimed the Japanese fought much better than the Chinese. I showed her. Beat her every time. Chinese was much better.

- Just who was this Japanese that you fought?

- Hey... Couldn't you introduce her to us, huh?

[...]