'Lights' in the Bible

For just like the lightning, when it flashes out of one part of the sky, gives light to the other part of the sky, so [visible] will the Son of Man be in His day.

Then the jailer called for torches and rushed in, and trembling with fear he fell down before Paul and Silas,

Now there were many lamps in the upper room where we were assembled,

so that you may prove yourselves to be blameless and guileless, innocent and uncontaminated, children of God without blemish in the midst of a [morally] crooked and [spiritually] perverted generation, among whom you are seen as bright lights [beacons shining out clearly] in the world [of darkness],