Genesis 1:4
God saw that the light was good. God then separated the light from the darkness.
Ecclesiastes 11:7
Light is sweet! and it is pleasant for the eyes to see the sun.
Genesis 1:16-18
God made the two great lights, the greater one to govern the day, and the lesser one to govern the night, and the stars. God set them in the dome of the sky, to illuminate the earth, to govern the day and the night, and to separate the light from the darkness. God saw that it was good.