'Light' in the Bible

because it is God who said, Out of darkness light is to shine, who did shine in our hearts, for the enlightening of the knowledge of the glory of God in the face of Jesus Christ.

for the momentary light matter of our tribulation, more and more exceedingly an age-during weight of glory doth work out for us --

and what fellowship to light with darkness? and what concord to Christ with Belial? or what part to a believer with an unbeliever?

and no wonder -- for even the Adversary doth transform himself into a messenger of light;