This is big medicine. They guard this place with spirits.
3 seconds sound clip from the Jeremiah Johnson (1972) movie soundboard.
You can hear this line at 01:16:25.904 in the Blu-ray version of the movie.
Quote context
[...]
- We'll have to turn around and head east.
- Next pass. Twenty... twenty miles or so.
- Johnson, those people are down there waiting for us. Now they are freezing and hungry and scared.
- Crow don't even come here except with medicine men and burying parties!
- This is big medicine. They guard this place with spirits.
- You've been up here too long, Johnson, believing in this!
- What chance would I have finding a way through myself just by riding west?
- Well, thanks all the same, Johnson, but we're riding through.
[...]