...he who has seen the intimate beauty of nature cannot tear himself away from it again. He must become either a poet or a naturalist and, if his eyes are keen and his powers of observation sharp enough, he may well become both.
Man has been driven out of the paradise in which he could trust his instincts.
In nature we find not only that which is expedient, but also everything which is not so inexpedient as to endanger the existence of the species.
