Matthew 4:16

the people that sat in darkness, saw a great light; and upon those who sat in the region and shadow of death, light arose."

Luke 1:79

to give light to those sitting in darkness and the shadow of death, to guide our feet into the way of peace.

1 Peter 2:9

But ye are a chosen generation, a royal priesthood, a holy nation, a people for a possession, that ye may show forth the praises of him who called you out of darkness into his wonderful light;

Treasury of Scripture Knowledge

Summary

For thou wilt light my candle: the LORD my God will enlighten my darkness.

Bible References

My god

Matthew 4:16
the people that sat in darkness, saw a great light; and upon those who sat in the region and shadow of death, light arose."
Luke 1:79
to give light to those sitting in darkness and the shadow of death, to guide our feet into the way of peace.
1 Peter 2:9
But ye are a chosen generation, a royal priesthood, a holy nation, a people for a possession, that ye may show forth the praises of him who called you out of darkness into his wonderful light;