Now, there's a lot of folks around these days that don't believe in Santa Claus. I always did and I always will. For a while there, I thought the German Luftwaffe had shot him down reindeer, sleigh and all. But no, sir.

12 seconds sound clip from the Stalag 17 movie soundboard.

You can hear this line at 01:08:33.092 in the Blu-ray version of the movie.

Quote context

[...]

- I don't have to think. We didn't say anything to anybody. Not a word. Not until we hit this barracks.

- What are you looking at me for?

- Lights out! Lights out! Lights out!

- I suppose some jerk's gonna say I did it.

- Why don't you try it one at a time?

- Now, there's a lot of folks around these days that don't believe in Santa Claus. I always did and I always will. For a while there, I thought the German Luftwaffe had shot him down reindeer, sleigh and all. But no, sir.

- Come the day before Christmas, the Geneva man showed up with some presents for us. They brought us coffee, a little sugar, prunes and toothbrushes. And of all things, some Ping-Pong balls.

- There must have been a slip-up someplace because suddenly we wound up with 2000 Ping-Pong balls.

- It seemed pretty idiotic at the time, but as it turned out, those Ping-Pong balls sure came in handy. Oh, mother, did they come in handy!

- Schnell! Schnell, bevor der Mann vom roten Kreuz explodieren kommt!

[...]