The sweet calm sunshine of October, now Warms the low spot; upon its grassy mold The pur0ple oak-leaf falls; the birchen bough drops its bright spoil like arrow-heads of gold.
You should know as much as you can about the human species if you have a hand in designing human society. I'm not saying that you can derive moral rules from nature - that's deriving an ought from an is, as the philosophers say - but you do need to know what kind of animals we are if you want to design a stable society.