'Light' in the Bible

The Lord says, From those of your family I will send evil against you, and before your very eyes I will take your wives and give them to your neighbour, and he will take your wives to his bed by the light of this sun.

You did it secretly; but I will do this thing before all Israel and in the light of the sun.

But Abishai, the son of Zeruiah, came to his help, and, turning on the Philistine, gave him his death-blow. Then David's men took an oath, and said, Never again are you to go out with us to the fight, so that you may not put out the light of Israel.

Before his shining light his dark clouds went past, raining ice and coals of fire.

For you are my light, O Lord; and the Lord will make the dark bright for me.

It is as the light of the morning, when the sun comes up, a morning without clouds; making young grass come to life from the earth