It would be much better if you don't interfere, Maria.
4 seconds sound clip from the Beat the Devil (1953) movie soundboard.
You can hear this line at 01:00:58 in the Blu-ray version of the movie.
Quote context
[...]
- My dear girl, you must see that this is quite out of the question.
- I don't propose to make compromises.
- Not compromises, Harry darling.
- But you can see, if you cause trouble, the whole of our plans... My plans...
- You would not want to make the innocent suffer.
- It would be much better if you don't interfere, Maria.
- I must handle this as I see fit.
- Then you intend to go ahead with this business?
- Tell stories and ruin everything?
[...]