The next thing I knew, some guy came up and tripped me. That's the reason why I came in fourth.
6 seconds sound clip from the It's a Wonderful Life (1946) movie soundboard.
You can hear this line at 00:20:24 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, me? Well, I feel funny enough already with all these kids.
- I'm not being a wet nurse to a...
- The next thing I knew, some guy came up and tripped me. That's the reason why I came in fourth.
- If it hadn't been for that, that race'd have been a cinch.
- I tried to find out who it was later, but I couldn't find out.
- Nobody'd ever tell you whoever it was, because they'd be scared.
- 'Cause they know what kind of a guy I am.
[...]