Do you know what you're saying?
3 seconds sound clip from the Double Indemnity movie soundboard.
You can hear this line at 00:30:50 in the DVD version of the movie.
Quote context
[...]
- I hate him. I loathe going back to him. You believe me, don't you?
- I can't stand it anymore. What if they did hang me?
- They're not going to hang you, baby.
- It's better than going on this way.
- They're not gonna hang you because you're gonna do it and I'm gonna help you.
- Do you know what you're saying?
- There's not going to be any slip-up. Nothing sloppy. Nothing weak. It's got to be perfect.
- Call me tomorrow. But not from your house. From a booth. And watch your step every single minute.
- This has got to be perfect, you understand? Straight down the line.
[...]