Please. Have mercy. I've been wearing the same underwear since Tuesday.
— Neal Page (Steve Martin)
9 seconds sound clip from the Planes, Trains & Automobiles (1987) movie soundboard.
You can hear this line at 01:08:15 in the Blu-ray version of the movie.
Quote context
[...]
- All right, I'll pay cash. Cash.
- $42.50.
- Please. Have mercy. I've been wearing the same underwear since Tuesday.
- I don't... I don't... I don't own the place.
- 17 dollars and a hell of a nice watch.
[...]