Over and over he kept mumbling and mumbling.
3 seconds sound clip from the The Future Is Yours (Family Theater) classic radio drama series episode.
You can hear this line at 00:22:23.948 in the radio play.
Quote context
[...]
- And it was you, you and your father, that brought that on.
- Well, I hope you're proud of yourselves, both of you.
- Over and over he kept mumbling and mumbling.
- Oh, I'm ashamed of you, both of you.
- No use talking about it now. It's over. We've lost the money.
- And we'd have violated every principle of right and wrong we've tried to teach him.
- There you go, still compromising. You know I'm right.
[...]