'Light' in the Bible

In the belief that you are a guide to the blind, a light to those in the dark,

The night is far gone, and the day is near: so let us put off the works of the dark, arming ourselves with light,

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,