Psalm 36:9 (CSB)
For the wellspring of life is with you. By means of your light we see light.

Proverbs 4:23 (CSB)
Guard your heart above all else, for it is the source of life.

Psalm 27:1 (CSB)
The LORD is my light and my salvation — whom should I fear? The LORD is the stronghold of my life — whom should I dread?

Psalm 119:105 (AMP) Your word is a lamp to my feet and a light to my path. [Prov. 6:23.]

John 1:1 (KJV)
In the beginning was the Word, and the Word was with God, and the Word was God.

John 1:14 (KJV)
And the Word was made flesh, and dwelt among us, (and we beheld his glory, the glory as of the only begotten of the Father,) full of grace and truth.

John 1:4 (NIV)
In him (Jesus) was life, and that life was the light of all mankind.