Authors:

You who live your lives in cities or among peaceful ways cannot always tell whether your friends are the kind who would go through fire for you. But on the Plains one's friends have an opportunity to prove their mettle.

Buffalo Bill, W. F. Cody (2012). “Buffalo Bill's Life Story: An Autobiography”, p.165, Courier Corporation
You who live your lives in cities or among peaceful ways cannot always tell whether your friends are the kind who would go through fire for you. But on the Plains one's friends have an opportunity to prove their mettle.