Oh, why should they be surprised when they see one?
4 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 01:49:05 in the Blu-ray version of the movie.
Quote context
[...]
- Somebody's just made it. Made what?
- Every time you hear a bell ring, it means that some angel's just got his wings.
- Look, I think maybe you better not mention getting your wings around here.
- Why? Don't they believe in angels?
- Oh, why should they be surprised when they see one?
- Oh, he never grew up. He's...
- Two hundred and ninety-three, next May.
- That does it. Out, you two pixies! Go through the door or out the window.
- Now, that's another thing. Where do you come off calling me Nick?
[...]