All right, to make it clear to a dumbhead like you, we take all his goods and go straight up north and leave the old jackass flat.

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

You can hear this line at 01:32:04.504 in the Blu-ray version of the movie.

Quote context

[...]

- What are you getting at?

- Oh, man, can't you see? It's all ours.

- We don't go back to Durango at all. ¿Sabe? Not at all.

- I don't follow you, Dobbsy.

- Oh, don't be such a sap. Where did you ever grow up?

- All right, to make it clear to a dumbhead like you, we take all his goods and go straight up north and leave the old jackass flat.

- You aren't serious, are you? You don't really mean what you're saying.

- Fred C. Dobbs don't say nothing he don't mean.

- As long as I'm here and can do anything about it, you won't touch a single grain of the old man's goods.

- I know exactly what you mean. You want to take it all for yourself and cut me out.

[...]