No, don't go. You might as well hear it too.
4 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 01:41:25 in the Blu-ray version of the movie.
Quote context
[...]
- Whatever on earth does that mean?
- Well, I have a feeling it won't be so hard for me to resign now.
- And belts will be worn tighter this winter.
- Well, Red, I'm afraid it's the deadline.
- No, don't go. You might as well hear it too.
- It's only a letter from a friend. They're my friends too.
- 'Certainly entitles me to a full explanation before going through with our proposed marriage.'
[...]