'Light' in the Bible

Woe to those who devise iniquity and work evil on their beds! When the morning is light, they practice it, because it is in the power of their hand.

Don't rejoice against me, my enemy. When I fall, I will arise. When I sit in darkness, Yahweh will be a light to me.

I will bear the indignation of Yahweh, because I have sinned against him, until he pleads my case, and executes judgment for me. He will bring me forth to the light. I will see his righteousness.