Well, he's not without experience, you know. When we lost Singapore, he stayed behind and blew up a couple of bridges, one or two trains, and I don't know how many other installations before the Japs caught him.
11 seconds sound clip from the The Bridge on the River Kwai movie soundboard.
You can hear this line at 01:37:36.109 in the Blu-ray version of the movie.
Quote context
[...]
- Well, Chapman will be fine. Ice water in his veins.
- Oh, Cambridge don and all of that.
- You know, it's one thing for him to play around with explosives like a kid with firecrackers...
- No?
(BOTH LAUGHING) Oh, very good! With or without!
[...]