John 1: 4-5, 7-9
In him was life; and the life was the light of men.
And the light shineth in darkness; and the darkness comprehended it not.
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The same came for a witness, to bear witness of the Light, that all men through him might believe.
... (He) was sent to bear witness of that Light.
That was the true Light, which lighteth every man that cometh into the world.
"From within or from behind, a light shines through us upon things, and makes us aware that we are nothing, but the light is all." ~Ralph Waldo Emerson