But to tell you the truth, I would like to teach him a lesson.

5 seconds sound clip from the Sleeping Fist (1979) movie soundboard.

You can hear this line at 01:11:50 in the DVD version of the movie.

Quote context

[...]

- Oh, Mister, welcome. Please come in. Have a seat.

- Well, gentlemen, what would you like to eat? Would you like a drink?

- Some wine, some wine.

- Oh, yes, some wine, coming, sir.

- Now, kid, the master told us not to make trouble.

- Of course.

- Anyway, now I'm a famous fighter, I don't bother with small fry like them.

- But to tell you the truth, I would like to teach him a lesson.

- Here we are, sir.

- Quick, hurry!

- The wine, and one for you, and then...

- Big brother, your wound hasn't healed yet. You shouldn't drink so much wine.

- Ah, leave me alone. Since I was beaten up by that punk of a kid, I'm too ashamed to be a big brother.

- You said you're a famous fighter.

[...]