I'm here.
3 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 00:49:26 in the Blu-ray version of the movie.
Quote context
[...]
- Money?
- Well, now, listen. I want you to put every cent you've got into our stock, do you hear?
- Well, this is the biggest thing since radio, and I'm letting you in on the ground floor.
- He says it's the chance of a lifetime.
- Now you listen to me. I don't want any plastics, and I don't want any ground floors.
- I don't want to get married, ever, to anyone. You understand that? I want to do what I want to do.
[...]