I'm sorry, mother, for snapping at you like that.
4 seconds sound clip from the Reefer Madness (1936) movie soundboard.
You can hear this line at 00:26:17 in the Blu-ray version of the movie.
Quote context
[...]
- Take it easy, kid. Slow down, you'll kill somebody.
- Mary, you're not eating your breakfast again.
- Bill Harper hasn't been around lately. Anything wrong between you two?
- Why should there be anything wrong?
- There shouldn't be, I'm sure. And whatever it is isn't serious, I know.
- I'm sorry, mother, for snapping at you like that.
- Why don't you speak frankly to Bill?
- He'll be honest, whatever the trouble is.
- I'm sure Bill Harper never lied about anything.
- Yes, that's right. Bill's mother says he never lies.
[...]