John 3:30 (NKJV)
30 He must increase, but I must decrease.
John 8:12 (NKJV)
12 Then Jesus spoke to them again, saying, “I am the light of the world. He who follows Me shall not walk in darkness, but have the light of life.”
John 9:5 (NKJV)
5 As long as I am in the world, I am the light of the world.”
Genesis 1:14-16 (NKJV)
14 Then God said, “Let there be lights in the firmament of the heavens to divide the day from the night; and let them be for signs and seasons, and for days and years; 15 and let them be for lights in the firmament of the heavens to give light on the earth”; and it was so. 16 Then God made two great lights: the greater light to rule the day, and the lesser light to rule the night. He made the stars also.