I offered to let George in on the ground floor in plastics, and he turned me down cold.
7 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 01:06:49 in the Blu-ray version of the movie.
Quote context
[...]
- Why don't you have your friends join us?
- Why, sure. Hey, why don't you kids drive down with us, huh?
- Oh, I'm afraid I couldn't get away.
- Still got the nose to the old grindstone, eh?
- I offered to let George in on the ground floor in plastics, and he turned me down cold.
- Oh, now, don't rub it in. I'm not rubbing it in.
- Well, I guess we better run along.
- Awfully happy to have met you, Mary. Nice meeting you, too.
- Goodbye, George. So long, George. See you in the funny papers.
[...]