'Light' in the Bible

And art confident that thou thyself art a guide of the blind, a light of them which are in darkness,

But if our unrighteousness sets God's righteousness in a clearer light, what shall we say? (Is God unrighteous--I speak in our everyday language-- when He inflicts punishment?

But now a righteousness coming from God has been brought to light apart from any Law, both Law and Prophets bearing witness to it--

Did then a thing which is good become death to me? No, indeed, but sin did; so that through its bringing about death by means of what was good, it might be seen in its true light as sin, in order that by means of the Commandment the unspeakable sinfulness of sin might be plainly shown.

The night is far spent, the day is at hand: let us therefore cast off the works of darkness, and let us put on the armour of light.

Let's behave decently, as people who live in the light of day. No wild parties, drunkenness, sexual immorality, promiscuity, quarreling, or jealousy!

Now to him who is able to make you strong in agreement with the good news which I gave you and the preaching of Jesus Christ, in the light of the revelation of that secret which has been kept through times eternal,

but has now been brought fully to light, and by the command of the God of the Ages has been made known by the writings of the Prophets among all the Gentiles to win them to obedience to the faith--