319. From a functional point of view, everything in the created universe is in our image; and this testifies that God is human. The ancients called the individual person a microcosm because each of us reflects the macrocosm, that is, the universe in its entirety. Nowadays, though, people do not know why the ancients gave us this name. Nothing of the universe or the macrocosm is visible in us except that we are nourished by its animal and plant kingdoms and are physically alive, that we are kept alive by its warmth, see by its light, and hear and breathe by its atmospheres. These things, though, do not make us a microcosm the way the universe and everything in it is a macrocosm.
Rather, the ancients learned to call us a microcosm or little universe from the knowledge of correspondences that the earliest people enjoyed and from their communication with angels of heaven. Heaven's angels actually know from what they see around themselves that if we focus on functions, we can see an image of a person in everything in the universe.