Darkness
Genesis - Chapter 1 - Verse 2
2 And the earth was without form, and void; and darkness was upon the face of the deep. And the Spirit of God moved upon the face of the waters.
Genesis - Chapter 1 - Verse 4
4 And God saw the light, that it was good: and God divided the light from the darkness.
Genesis - Chapter 1 - Verse 5
5 And God called the light Day, and the darkness he called Night. And the evening and the morning were the first day.
Genesis - Chapter 1 - Verse 18
18 And to rule over the day and over the night, and to divide the light from the darkness: and God saw that it was good.