significance. They find ways of adding more comfortable extra stories onto the materialist substructure of matter and energy and motion. Some people may add a religious dimension of a pantheistic sort. They may postulate a kind of spiritual “energy” in the cosmos, with which they can commune. Nature becomes “Mother Nature.” There are variations on this theme. As a society, we become pluralistic in our views of human significance, just as we are pluralistic in many other respects. We autonomously