- Hey. What do we do for decorations?
- For that you got to pray yourself.

5 seconds sound clip from the Stalag 17 movie soundboard.

You can hear this line at 00:47:42.343 in the Blu-ray version of the movie.

Quote context

[...]

- Hey, is that all the mail?

- All right, at ease. At ease. Here's a little something from Father Murray. One to each barrack.

- And he says he wants you cruds to cut out all swearing during yuletide.

- How'd he get those trees?

- I don't know. Prayed, I guess. They grew out of his mattress.

- Come on, Steve.

- Hey. What do we do for decorations?

- For that you got to pray yourself.

- And so, Joey, we do hope that you will finish that last year of law school when you come back home.

- Law school? Hey, you don't want to be no stinking lawyer with a stinking briefcase in a stinking office, do you, Joey? Nah.

- And do keep writing, son. Your letters are very dear to us. With all our love, Dad.

- Hey, it's from your dad, Joey. Here, take it.

[...]