Size of the universe...

"The spider was a symbol of man in miniature. The wheel of the web brought the analogy home clearly. Man, too, lies at the heart of a web, a web extending through the starry reaches of sidereal space, as well as backward into the dark realm of prehistory. His great eye upon Mount Palomar looks into a distance of millions of light-years, his radio ear hears the whisper of even more remote galaxies, he peers through the electron microscope upon the minute particles of his own being. It is a web no creature of earth has ever spun before. Like the orb spider, man lies at the heart of it, listening. Knowledge has given him the memory of earth's history beyond the time of his emergence. Like the spider's claw, a part of him touches a world he will never enter in the flesh. Even now, one can see him reaching forward into time with new machines, computing, analyzing, until elements of the shadowy future will also compose part of the invisible web he fingers."