I'd let you stay up here with the mortar if I could. I'm sorry.

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

You can hear this line at 02:06:40.008 in the Blu-ray version of the movie.

Quote context

[...]

- They're sure to have sentries on the bridge so you'll have to float the stuff down from upriver which means building a raft.

- Yai will take three women to help you build the raft. One will stay here with me.

- All right, now, get cracking.

- You know, if it wasn't for my ankle, I'd take Joyce's assignment.

- You think he'll be all right?

- I think so. Want me to handle it?

- I'd let you stay up here with the mortar if I could. I'm sorry.

- When it's over, I hope you get that medical discharge and not the hard way.

- Beautiful.

- Yes, beautiful. A first-rate job. I had no idea it would turn out so well.

- Yes, a beautiful creation.

- I've been thinking. Tomorrow it will be 28 years to the day that I've been in the service. 28 years in peace and war.

[...]