We better give them a rest.
3 seconds sound clip from the The Train Robbers movie soundboard.
You can hear this line at 01:16:49 in the Blu-ray version of the movie.
Quote context
[...]
- What if he falls asleep like he did before?
- Losing Grady is one thing. Gold is something else.
- It don't seem right, those boys haven't showed up.
- If those horses stop running, they'll start thinking of water... head for that river.
[...]