When a man doesn't talk about his past, his future's not dependable.
7 seconds sound clip from the Battle Circus (1953) movie soundboard.
You can hear this line at 00:36:38 in the Blu-ray version of the movie.
Quote context
[...]
- Don't be too disappointed if he doesn't show, honey. It won't be the first time he stood up a girl.
- Well, what's any of us really know about the major?
- He's a man. What else do you have to know?
- So? Experienced drivers are always safer.
- I'm only trying to help you.
- When a man doesn't talk about his past, his future's not dependable.
- Don't listen to her. Nothing she gives away is worth anything... Especially advice.
- Thanks.
[...]