The cavalry doesn't go in for refinements.
3 seconds sound clip from the She Wore a Yellow Ribbon movie soundboard.
You can hear this line at 00:27:10.014 in the Blu-ray version of the movie.
Quote context
[...]
- What do you suppose they were doing that far south?
- Well, that ain't my department, sir.
- We'll probably pick 'em up on the next go-round. Take a point.
- Sergeant? Right through that pass.
- Must you always be so... So vulgar?
- The cavalry doesn't go in for refinements.
- We soon would be, if we didn't ease these mounts.
- Why don't you ride in the wagon?
- Why doesn't the Army put springs in these wagons?
- Oh, the men all said they'd rather have finger bowls.
[...]