- But how did you...?
- I didn't know there was going to be Flatheads.

3 seconds sound clip from the Jeremiah Johnson (1972) movie soundboard.

You can hear this line at 00:43:46.441 in the Blu-ray version of the movie.

Quote context

[...]

- Don't go getting hasty, friend. Them is Flatheads, and they've hurt nobody that I know.

- Just hold back.

- What's he saying?

- Says them's Blackfeet ponies.

- He asks if you are the great warrior who avenges the Crazy Woman in the Wolf Tail Valley. She's big medicine. And so are you, if you be that man.

- So what's he shouting for?

- Scared of you.

(INJUN CHIEF WHOOPS)

- But how did you...?

- I didn't know there was going to be Flatheads.

- It's all right, boy.

- Chief here is named Two-Tongues Lebeaux. Mighty educated too. French missionaries taught him their language.

- Christian Indians?

- Lots of them.

- Bonjour, grand chef de Tête Plate.

- Bienvenue, homme à la tête d'un oeuf d'une dinde.

[...]