You have seen so much of the outer world and had so many experiences of people, places, and things—and of course those experiences will keep coming. But now, in the second half of your life, as the outer world seems more unstable and dangerous than ever, we want you to take the same rapacious curiosity that once thrust you all over the planet with a hungry, fascinated appetite, and we want you to turn it inward.
People talk about the silence of nature, but of course there is no such thing. What they mean is that OUR voices are still, OUR noises are absent.