In his book Man in Christ, James S. Stewart wrote,

“And God said, ‘Let there be light’ : and there was light.” To me, it was the birth of light and order and purpose and beauty, the ending of chaos and ancient night. And to me, as at that first creation, the morning stars sang together, and all the sons of God shouted for joy. God who said, “Let there be light,” has shone within my heart; He has scorched me with His splendor, and remade me by His strength; and I now walk for ever in a marvelous light – the light of the knowledge of the glory of God in the face of Jesus Christ. 

There is so much beauty and truth in those words.