The brain is locked in total darkness, of course, children, says the voice. It floats in a clear liquid inside the skull, never in the light. And yet the world it constructs in the mind is full of light. It brims with color and movement. So how, children, does the brain, which lives without a spark of light, build for us a world full of light?

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What do we call visible light? We call it color. But the electromagnetic spectrum runs to zero in one direction and infinity in the other, so really, children, mathematically, all of light is invisible.

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This, perhaps, is how lives are measured, a series of abandonments that we hope beyond reason will eventually be reconciled.

By age seventeen he [Seymoure Sthulman]'d convinced himself that every human being he saw was a parasite, captive to the dictates of consumption. But as he reconstructs Zeno's translation, he realizes that the truth is infinitely more complicated, that we all are beautiful even as we are all part of the problem, and that to be a part of the problem is to be human.

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