He knew what he was doing when he turned them over to us.

2 seconds sound clip from the The Treasure of the Sierra Madre movie soundboard.

You can hear this line at 01:29:44.034 in the Blu-ray version of the movie.

Quote context

[...]

- Maybe I'll do just that, pick me out a good-looking squaw and marry her. They're easy to dress and feed and entertain. They don't nag at you, either.

- Well, so long, partners.

- Ha ha ha! See you in Durango.

- Ain't it always his burros that won't march in line, stray off the trail, and smash their packs against the trees and the rocks? I wish they'd stray off far enough to fall down about 2000 foot of gorge.

- What was in your head when you offered to carry his goods for him if he couldn't manage by himself?

- He knew what he was doing when he turned them over to us.

- Mighty cute of him, wasn't it?

- What's the use of railing against the old man? It won't do any good.

- Save your breath for that next piece of trail.

- I'm stopping here for the night. If you want to go on, it's ok with me, but take his burros with you. Ain't my responsibility.

[...]