From The Searchers
Our turnin' back don't mean nothin', not in the long run. She's alive, she's safe... for a while. They'll keep her to raise her as one of their own till, until she's of an age to...
Don't you think there's a chance we still might find her?
Injun will chase a thing till he thinks he's chased it enough. Then he quits. Same way when he runs. Seems like he never learns there's such a thing as a critter that'll just keep comin' on. So we'll find 'em in the end, I promise you. We'll find 'em. Just as sure as the turnin' of the earth.