Yeah, don't expect to find nuggets of molten gold. It's rich, but not that rich. And here ain't the place to dig. It comes from someplace further up.
6 seconds sound clip from the The Treasure of the Sierra Madre movie soundboard.
You can hear this line at 00:31:48.642 in the Blu-ray version of the movie.
Quote context
[...]
- Without me, you two would die here more miserable than rats!
- Oh, leave him alone! Can't you see that the old man's nuts?
- You're so dumb, you don't even see the riches you're treading on with your own feet!
- Up there. Up there's where we got to go. Up there!
- It sure don't look like I thought it would.
- It's not much different than sand.
- Yeah, it's just like plain sand.
- It don't glitter. I thought it would glitter.
[...]