True Christianity is rooted in a true vision of God as light and sin as sin.
Jesus' disciples are the light of the world, outposts of Jesus' own light as our Messiah.
Paul ties Christian ethics to Christian identity as children of light.
In the gospel the glory of God does not destroy us but transforms us.
Three bright rays of God's salvation sun emanate from the book of Isaiah and show us the glory of Christ.
However many questions we have about life and eternity, John gives us the answer, which is a person: Jesus Christ.
Light is a biblical symbol in creation, the incarnation, and what happens in conversion.