It's no crime to visit these mountains. He might be a guy that just likes to wander around. Can't shoot him for that. Besides, if you were to shoot him, it might come out.
6 seconds sound clip from the The Treasure of the Sierra Madre movie soundboard.
You can hear this line at 00:55:08.359 in the Blu-ray version of the movie.
Quote context
[...]
- Oh, thanks anyway, but I prefer going it by myself. Good luck.
- Adios.
- Burros!
- I move we tell him straight off to beat it.
- All right, then there's nothing else to do but pull the trigger the minute he appears.
- Just who's going to do the pushing... You, Dobbsy?
- You're sure he was trailing you, are you?
[...]