We'll show them what the British soldier is capable of doing.

3 seconds sound clip from the The Bridge on the River Kwai movie soundboard.

You can hear this line at 01:08:38.999 in the Blu-ray version of the movie.

Quote context

[...]

- I tell you, gentlemen, we have a problem on our hands.

- Thanks to the Japanese, we now command a rabble. There's no order, no discipline.

- Our task is to rebuild the battalion.

- Yes, sir.

- Which isn't going to be easy.

- But fortunately we have the means at hand: the bridge.

- The bridge, sir?

- The bridge.

- We can teach these barbarians a lesson in Western methods and efficiency that will put them to shame.

- We'll show them what the British soldier is capable of doing.

- Yes. I see your point, sir.

- I realise how difficult it's going to be in this godforsaken place where you can't find what you need, but there's the challenge.

- I beg your pardon, sir. You mean you really want them to build the bridge?

- You're not usually so slow on the uptake, Evans.

[...]