It was a surprise to me.
4 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 00:36:57 in the Blu-ray version of the movie.
Quote context
[...]
- Well, Harry's cup runneth over.
- George, about that job. Ruth spoke out of turn. I never said I'd take it.
- Oh, wait a minute. I forgot the bags. I'll be right back.
- This is the new Mrs. Bailey, my nephew's wife.
- How are you? Old, old friend of the Baileys.
- Oh, really? What are their names? Let's see...
- Oh, of course, I've heard him speak of you.
- And I want to tell you, we're gonna give the biggest party this town ever saw.
[...]