One sentence.

The sun struck the Tethys Sea one hundred and fifty million years before the first human drew breath, and the marine organisms that caught that light in their bodies died and sank and were buried under the slow accumulation of geological time and transformed by heat and pressure into the specific molecular architecture that modern civilization would one day extract and combust to release that ancient captured flow back into the atmosphere from which it originally came, this interrupted sunlight that powered everything — the nitrogen fixed into the food that built the bodies of eight billion people, the plastic in every object, the pharmaceutical in every medicine, the asphalt under every road, the synthetic rubber in every tire, the lubricant in every machine, the feedstock of the entire material constitution of what we call civilization — flowing always from that original source through geological storage through extraction through combustion back to sky, a metabolic cycle of planetary scale that no nation designed and no treaty governs, the same sunlight that fed the Tethys organisms that became the oil that became the currency that became the lever, all of it downstream of that original generosity, that first catching of light in a small body in a warm sea, the organism not knowing it was storing something that would one day move armies and denominate currencies and feed billions and warm an atmosphere, knowing nothing except the ancient biological imperative to catch the flow and hold it and pass it forward, which is what all living things do, which is what living itself is — the temporary capture of flow against the inevitable return to entropy, the brief organization of energy into structure before the structure dissolves and the energy continues, and what we call civilization is simply the most elaborate version of what that first organism did in the Tethys Sea, catching sunlight, storing it, building structure from it, and the tragedy and the beauty are the same thing, that the flow was never scarce, never confined to a single geography, never buried under a single mountain range, the original arriving every morning to every surface on earth simultaneously, distributed and inexhaustible and free, while we learned to love the stored version, the concentrated version, the ancient version buried in the dark, and forgot that what we were always really after was the light itself, still flowing, still arriving, still offering what it always offered to anything alive enough to catch it.