Take a look at all your brothers. They've been stamping their feet for at least three or four years now.

5 seconds sound clip from the Shaolin Temple Strikes Back (1981) movie soundboard.

You can hear this line at 00:25:20.500 in the DVD version of the movie.

Quote context

[...]

- Hey, I haven't had a dip for years. Come on, let's get into the water together. All right?

(Shaolin monks training)

- What's wrong now?

- All I do is either work or stamp my feet. It's been over six months now. What good will this do me?

- Ah, it's only been six months since you became a monk and already you're bored with it?

- Take a look at all your brothers. They've been stamping their feet for at least three or four years now.

- Huh? Just working our feet takes three or four years?

- Huh? It's not that simple.

- This is to build up your strength and your resistance.

- Yes, sir, I understand.

[...]