His big mistake, I think, was getting born.
5 seconds sound clip from the A Fistful of Dollars movie soundboard.
You can hear this line at 00:07:40 in the Blu-ray version of the movie.
Quote context
[...]
- You don't buy. You sell. You sell lead in exchange for gold.
- You will get rich here, or you'll be killed.
- Juan de Dios tolls the bell once again.
- Saludos, amigo. It's not smart to go wandering so far from home.
- I reckon he picked the wrong trail.
- Or he could have picked the wrong town.
- His big mistake, I think, was getting born.
- If you want any work, looking like that, you could try being a scarecrow.
- Oh, no, the crows are liable to scare him, maybe.
- Hello.
- Saludos.
- You can't get rich like that. At most, you will only succeed in being killed.
[...]