Live in the world like a waterfowl. The water clings to the bird, but the bird shakes it off. Live in the world like a mudfish. The fish lives in the mud, but its skin is always bright and shiny.
LIVER, n. A large red organ thoughtfully provided by nature to be bilious with. The liver is heaven's best gift to the goose; without it that bird would be unable to supply us with the Strasbourg "pate".
The only clear thing is that we humans are the only species with the power to destroy the earth as we know it. The birds have no such power, nor do the insects, nor does any mammal. Yet if we have the capacity to destroy the earth, so, too, do we have the capacity to protect it.
Paleontologists have tried to turn Archaeopteryx into an earth-bound, feathered dinosaur. But it's not. It is a bird, a perching bird. And no amount of 'paleobabble' is going to change that.
Wild beasts and birds are by right not the property merely of the people today, but the property of the unborn generations, whose belongings we have no right to squander.