Still sitting there, still looking up in the tree. At something that isn’t there? Luke wondered. Or at something that isn’t there for me but is there… - Fredric Brown

Well, let’s call his age as pushing sixty and not mention from which direction he was pushing it.

In twenty to thirty thousand years memories become legends and legends become superstitions and even the superstitions become lost. Metals rust and corrode back into earth while the wind, the rain and the jungle erode and cover stone. The contours of the very continents change—and glaciers come and go, and a city of twenty thousand years before is under miles of earth or miles of water.

It said, “Ask, what is man?”
Mechanically, he asked it.
“Man is a blind alley in evolution, who came too late to compete, who has always been controlled and played with by The Brightly Shining, which was old and wise before man walked erect.
“Man is a parasite upon a planet populated before he came, populated by a Being that is one and many, a billion cells but a single mind, a single intelligence, a single will—as is true of every other populated planet in the universe.
“Man is a joke, a clown, a parasite. He is nothing; he will be less.”