• How many hearts with warm, red blood in them are beating under cover of the woods, and how many teeth and eyes are shining? A multitude of animal people, intimately related to us, but of whose lives we know almost nothing, are as busy about their own affairs as we are about ours.

    John Muir, Peter Browning (1988). “John Muir, in His Own Words: A Book of Quotations”, p.59, Great West Books