A paper lantern hanging in a forest says something bolder than any manifesto. Its glow is weak, mathematically trivial against the surrounding dark, yet people gather under it as if it rewires the entire night. No animal needs this fragile object; bioluminescent species manage with chemistry, not symbolism, and they never ask what the light might mean.
Humans, by contrast, use that lantern as a projector for things that do not physically exist. Under its thin shell of cellulose and wire, brains fire visual cortex activity that outstrips the actual lumen count, binding photons to memory, myth, and narrative framing. Cognitive scientists point to mental imagery and theory of mind as the twin engines: we not only picture scenes that are absent, we assume others are picturing them too, and we adjust our stories so those inner movies align.
That is the strange claim the lantern makes. It proves that light, for humans, is not just electromagnetic radiation but a social contract, a negotiated fiction about safety, romance, danger, or faith. Fireflies and anglerfish signal for mating or prey through fixed neural circuits; people stand beneath a paper globe and turn the same darkness into campfire horror, whispered confession, or quiet joy, all from imagined light that only exists because a story says it does.