Chapter 21

Serpents, Gods, and Demons

For sixteen chapters we have walked forward through time. Now, for one chapter, we are going to stop and look sideways, across all the cultures we have met and the ones still ahead, because something has been accumulating in the corner of our vision that is too strange and too consistent to leave unexamined, and it is time to turn and face it directly.

Here is the thing. These peoples mostly could not reach one another. An ocean and ten thousand years separate the painters of the Australian outback from the priests of Sumer; the Maya could not send a letter to the Chinese; the Norse and the Aboriginal Australians shared no ancestor within the span of civilization. And yet, when we lay their myths side by side, we find them telling, over and over, the same handful of stories and reaching for the same handful of images. Nearly all of them have a great flood. Nearly all have a world tree or a cosmic mountain joining earth to sky. Nearly all have a trickster who breaks the rules and a hero who journeys into darkness and returns changed and a god who dies and is reborn. Scholars have spent a century mapping this. Sir James Frazer catalogued the dying-and-rising gods; Carl Jung proposed that we inherit a shared unconscious stocked with these very images; Joseph Campbell traced a single "hero's journey" running under a thousand different tales; Claude Lévi-Strauss argued that myths everywhere are built from the same underlying oppositions, life and death, raw and cooked, nature and culture. The convergence is real. The human imagination, worldwide, keeps drawing from the same deck.

Most of this has a sober and satisfying explanation, and we should give it its full due before we reach for anything stranger. These stories recur because the human experiences under them recur. Everyone is born, everyone dies, everyone was once a helpless child and must one day leave childhood, every people faces the flood and the drought and the outsider. And the human brain that makes sense of all this is, everywhere, the same instrument, wired by the same evolution to think in the same shapes. Shared experience plus shared neural architecture will produce shared myth, no telepathy or lost mother-civilization required. That accounts for a great deal, honestly and well, and any responsible reading starts there.

But now we come to the one image that presses hardest against the edge of that explanation, because of how universal it is and, even more, because of the very specific meaning it carries almost everywhere. Of all the symbols the human race has independently seized upon, none is more global than the serpent. It is in Sumer as Ningishzida, the twin snakes on the god's staff that became our own symbol of medicine. It is across India as the nagas, Shesha the world-serpent on whom the god reclines, Vasuki wrapped around the mountain that churns the sea of creation. It is in Mesoamerica as Quetzalcoatl, the feathered serpent, over an ocean no one could cross. It is in China as Fuxi and Nüwa, the serpent-bodied pair who create humanity. It is in Australia as the Rainbow Serpent, whose image the rock art carries back six thousand years and perhaps far more, older than any pyramid. It coils around the world-tree in Norse myth and bites its own tail as the Greek and Egyptian ouroboros, the emblem of eternity. On every inhabited continent, unprompted, the human mind reached for the snake and set it at the center of things.

And here is the detail that turns a curiosity into a genuine puzzle. In an enormous number of these traditions, and this is the crucial point, the serpent was originally good. It was not the enemy. It was the teacher, the healer, the bringer of knowledge, the guardian of immortality and rebirth. It sheds its skin and emerges renewed, and so the world over it became the sign of healing and eternal life, which is exactly why it still wraps the physician's staff. It lives in the earth, among the roots and the dead, and so it became the keeper of hidden wisdom and the guide between worlds. The research this book draws on surveyed the world's older religions and found that a striking majority of them, before a certain shift, cast the serpent in this positive light, as a figure of wisdom and power rather than evil. We should be careful with the exact number, because counting the meanings of a symbol across cultures is an inexact craft and reasonable scholars will draw the lines differently. But the qualitative pattern is hard to wave away: for most of the human story, in most of the world, the snake was on the side of knowledge.

Walk through the evidence and the consistency is startling. In Egypt the cobra reared on the pharaoh's brow to protect him, and a serpent goddess, Wadjet, was among the oldest guardians of the land. In India the nagas are keepers of treasure and wisdom, and the Buddha, deep in meditation, is sheltered from a storm by the hood of the great serpent Mucalinda. In the Americas the feathered serpent gives maize and calendar and civilization itself. In Greece the healing god Asclepius worked through sacred snakes, and the sick slept in his temples among live serpents hoping to be cured, which is why to this day a single snake coils up the staff of the physician, and, through an old confusion, two of them up the winged staff of the messenger god that now marks a great many hospitals. Across Africa the rainbow-serpent brings the rains and the water of life. The specific meanings differ, but the cluster is always the same: healing, hidden knowledge, renewal, the crossing between the living and the dead. This is not one culture's quirk that happened to spread. It is something the human mind, nearly everywhere, arrived at on its own.

Then, in a great many places, it flipped. The wisdom-serpent became the deceiver, the tempter, the monster, the Devil. The clearest hinge is one this book has already named. In Persia, Zoroaster's new vision of a cosmos at war divided all things into good and evil and cast the serpent down among the evil, and that dualism, absorbed by the Hebrews during their exile in Babylon and carried forward into Christianity and Islam, gave us the single most influential serpent in Western history: the one in the garden, coiled in the tree, offering the fruit of the knowledge of good and evil, and damned for it. In that story the older meaning is still visible, like writing under writing. The serpent is still the one who offers knowledge. What has changed is that knowledge is now the crime, and the giver of it is now the enemy.

This flip is the reason this chapter sits at the heart of the book, because it is the first and clearest instance of a pattern we will follow, darkening, all the way to the end. It is not really a story about snakes. It is a story about what happens to the old knowledge, and the old symbols, when a new order takes power. Again and again in human history, the gods of the previous age become the demons of the next; the horned nature-god becomes the horned Devil; the wise-woman becomes the witch; the serpent-teacher becomes Satan. To demonize the serpent was, in part, to demonize the very idea that knowledge might come from below, or from outside, or from anywhere but the new authority. Hold that thought. When we reach the chapters on suppression, on burned libraries and silenced heretics and buried discoveries, we will find the same move, made again and again by institutions protecting themselves: the reframing of dangerous knowledge as forbidden knowledge, and of the one who offers it as the enemy.

Why the serpent, though, of all creatures, to carry this enormous weight? Here the sober answer is genuinely good, and we should honor it. Recall from an earlier chapter that our primate ancestors may have had their very eyesight and their fear-wiring shaped by the ancient need to spot snakes; we are, to the marrow, a snake-attentive animal, primed by millions of years to freeze and stare when we see that shape. Now add what the snake actually is: it sheds its skin and seems to be reborn, so it means immortality; it lives in the ground with the dead and the roots, so it means the underworld and hidden things; it is deadly, so it means power; it is uncanny, limbless, unblinking, so it means the other. No single animal on Earth so naturally gathers into itself the whole cluster of knowledge, death, rebirth, and power. Give a snake-obsessed brain a creature that is already a natural magnet for exactly those meanings, and you do not need to explain why cultures the world over independently made it the guardian of wisdom and the crossing of worlds. They would almost have to.

And yet honesty runs in both directions, and it requires us to look squarely at the bolder reading too, the one that fills a certain kind of bookshelf and a certain kind of television, rather than pretend it away. That reading takes the myths at their word. The Sumerians said civilization was brought by sages who rose from the sea. The Mesoamericans said the feathered serpent came, taught, and promised to return. Cultures around the world tell of "star people" or sky-beings who descended to give knowledge. What if, this reading asks, these were not symbols at all but garbled memories of literal contact, with visitors, with a lost advanced people, with something not human? We take the underlying observation seriously, because the persistence of the "our knowledge came from outside" motif is genuinely one of the more haunting patterns in the human record. But we follow the evidence, as we have promised to all along, and the evidence does not support the literal version. Its specific and testable claims, the mistranslated tablet, the misdated monument, the "impossible" artifact that turns out to be quite possible, fail on examination with grim regularity, and the sober account, convergent psychology plus a real and documented ideological demonization, explains the pattern without requiring anyone to have come down from the sky. We will not sneer at the question, because the question, why does humanity so insistently remember knowledge as a gift from beyond itself, is a real and deep one. But we will not sell you the easy answer either, because it has not been earned.

So we leave this chapter holding two true things at once, which is the honest posture and the hardest one. The first is that the serpent almost certainly means what it means because of the kind of animal it is and the kind of brain we are, and that the flip from wisdom to sin was a real historical act of power, not a memory of anything supernatural. The second is that the pattern is nonetheless genuinely astonishing, that our entire species, scattered and out of contact, coiled the same creature around the same profound cluster of meanings and then, in many places, turned against it at the moment it offered us knowledge. Whatever the final explanation, that convergence is one of the most remarkable facts about the human mind, and it points, however we read it, at something the rest of this book keeps circling: that we are creatures who have always suspected that the most important knowledge is the kind someone does not want us to have.

That suspicion was about to be tested in the fire, as the small city-states of the Axial thinkers hardened into the vast machinery of empire.