No, thanks. I'm working on a better offer.
3 seconds sound clip from the When Worlds Collide (1951) movie soundboard.
You can hear this line at 00:08:29.389 in the Blu-ray version of the movie.
Quote context
[...]
- Right this way, Mr. Randall.
- Mr. Randall, I'm Donovan from the sentinel.
- We've raised our offer to $7500. Here's a check to your order.
- No, thanks. I'm working on a better offer.
- I'm glad you turned them down.
- You know what it would mean if the public had this information prematurely.
- Don't you find yourself wishing? Wouldn't you almost rather not know?
[...]