Ah, real bonanzas are few and far between. They take a lot of finding.
3 seconds sound clip from the The Treasure of the Sierra Madre movie soundboard.
You can hear this line at 00:11:27.171 in the Blu-ray version of the movie.
Quote context
[...]
- How much we got left of that 10 he gave us, Dobbsy?
- $2.50.
- It's not even enough for one bed.
- A dime a dozen if they can be had at all. Streets are full of guys pushing each other.
- Ah, real bonanzas are few and far between. They take a lot of finding.
- Say, answer me this one, will you? Why is gold worth some 20 bucks an ounce?
- I don't know. Because it's scarce.
- That's 6000 months, or 500 years, scrabbling over mountains, going hungry and thirsty.
[...]