You can't go to the ball without, um... a horse.
6 seconds sound clip from the Cinderella (1950) movie soundboard.
You can hear this line at 00:45:52 in the Blu-ray version of the movie.
Quote context
[...]
- Now, um... Where were we? Oh, goodness, yes.
- You can't go to the ball without, um... a horse.
- But tonight, for a change, you will handle the reins, and sit in the driver's seat, too.
- For instead of a horse, you're the coachman, of course.
[...]