I promise.
3 seconds sound clip from the Palooka (1934) movie soundboard.
You can hear this line at 00:13:21 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, of course. I don't mean that.
- I mean I can't tell her I'm going to be a fighter. You know how she feels about that.
- But I'll tell her after I've made good and boy won't she be proud of me?
- Sure you will. But you gotta promise me you won't tell mom anything about it.
- And you'll wish me luck, won't you?
- Oh, with all my heart, Joey.
- And I'll be pulling for you.
- Well, when do you intend to leave?
[...]