Plants, animals, and stars are all kept in place, bridled along appointed ways, with one another, and through the midst of one another — killing and being killed, eating and being eaten, in harmonious proportions and quantities.
"Wild Wool", Overland Monthly, volume 14, number 4 (April 1875) pages 361-366 (at page 364); reprinted in Steep Trails (1918), chapter 1