Well, I guess we better dig a hole for him.

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

You can hear this line at 01:16:22.441 in the Blu-ray version of the movie.

Quote context

[...]

- It's been a perfect spring. Warm rains and hardly any frost. The fruit trees are all in bloom. The upper orchard looks aflame and the lower like after a snowstorm.

- Everybody looks forward to big crops. I do hope you are back for the harvest.

- Of course, I am hoping that you will at last strike it rich.

- It is high time for luck to start smiling upon you, but just in case she doesn't, remember, we've already found life's real treasure.

- Forever yours, Helen.

- Well, I guess we better dig a hole for him.

- Yeah, not so good. Not so good as yesterday.

- You want my opinion, it's going to be a whole lot less from now on. We've taken about all the gold this mountain has.

- How much do you figure we got to date?

- Not as much as we was aiming to collect. Not 40000. Not that much.

- I'm willing to lower my hindsights.

[...]