That's the end of Major Warden's lecture, sir.
2 seconds sound clip from the The Bridge on the River Kwai movie soundboard.
You can hear this line at 01:20:09.814 in the Blu-ray version of the movie.
Quote context
[...]
- I was on my way to see Major Warden.
- Oh, yes, I'll Show you the way, sir.
- He should be finishing his lecture at any moment now, sir.
- That's the end of Major Warden's lecture, sir.
- The major believes in keeping our training as close to real life as possible, sir.
- Oh, very good of you to come along. I hope they've been taking care of you.
- Well, come along, then. Colonel Green is looking forward to meeting you.
- Oh?
[...]