Light is not just every time's action and reaction, but an almost everlasting object.

If you are watching a star a hundred million years distant, the starlight is now a hundred million years old and living wholly. Even infrared rays, too, for instance, are almost the same undying.
Light has a certain total of it's number every day all over the universe. With light, 'the farther, the weaker' is not right, 'the farther, the fewer' is the truth.
Copier here is just a volunteer help to the last. He does not steal anything. No name, no salary, for ever. But even a reporter help himself has to know things to be a reporter.