Well, if you won't tell me about it, you'll tell somebody else.
3 seconds sound clip from the The Cocoanuts (1929) movie soundboard.
You can hear this line at 01:02:30.399 in the DVD version of the movie.
Quote context
[...]
- None of your business. I won't say a word.
- This guy's letting on to be a dummy.
- This bird you can't understand when he does talk.
- Is there anybody here who will talk?
- I will, but I can't think of anything.
- Well, if you won't tell me about it, you'll tell somebody else.
- Wait a minute. You mean to say that...
- Please. Please don't take him.
- I didn't want you to steal it, Bob. I had no idea that you'd do it. Oh, I feel awful.
[...]