The brain is locked in total darkness, of course, children,
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?
-Unidentified radio voice.
In ‘All the Light We Cannot See’ by Anthony Doerr