- What's the matter, Bessie? You act worried.
- Maybe it's because his name is Jack.

— Dinah Lord (Virginia Weidler)

6 seconds sound clip from the The Philadelphia Story movie soundboard.

You can hear this line at 00:09:28 in the Blu-ray version of the movie.

Quote context

[...]

- Steady, Bessie. Whoa, Bessie, whoa. Whoa, Bessie, whoa! Here, here, here, here. Whoa. Whoa. Steady, Bessie.

- Grab the reins, George, with the left hand.

- Put salt on his tail.

- Shut up!

- Steady, Bessie. There. Whoa, whoa, Bessie. Whoa. Whoa.

- What's the matter, Bessie? You act worried.

- Maybe it's because his name is Jack.

- Hi-ho, Silver.

- Heard that really does the trick. Hello, Joe.

- I'm not gonna do it. I'm gonna tell Sidney Kidd very plainly and simply I'm a writer, I'm not a society snooper. I'm gonna tell him just that.

- Just that.

- Let Kidd fire me! I'll start writing short stories again. That's what I should be doing anyway.

[...]