Don't be foolish, Slim. Let bygones be bygones.
4 seconds sound clip from the Criss Cross (1949) movie soundboard.
You can hear this line at 00:08:49.963 in the DVD version of the movie.
Quote context
[...]
- Chump.
- What went wrong? Why did you have to go and pull a knife, Slim?
- He flared up. In the middle of everything, he started to ask a bunch of screwball questions.
- What time did he come in here tonight? Where was he? Was he in the parking lot?
- Don't be foolish, Slim. Let bygones be bygones.
- Come on, this is no time to be sore and blow up.
- Why should you throw away the only chance of a lifetime? After all the planning, all the hoping.
- What I say is, let's not be foolish. I say, let's go right ahead.
- Don't you realize it's even better now?
[...]