Got a flashlight?
1 seconds sound clip from the Duck Soup (1933) movie soundboard.
You can hear this line at 00:40:44.050 in the Blu-ray version of the movie.
Quote context
[...]
- I don't know. I think he is asleep.
- No, but they're somewhere in the house, and you must find them.
- Oh, for heaven's sake, whatever you do, don't make a sound. If you're found, you're lost.
- Oh, you crazy, how can I be lost if I'm found?
- You don't know how serious this is. If they catch you, you'll be court-martialed and shot.
- I must go before she looks for me.
- Now remember, whatever you do, don't make a sound.
[...]