Zechariah 6:1-5

1And again I lifted up my eyes and saw four chariots coming out from between two mountains—mountains of bronze. 2The first chariot had red horses, the second black horses, 3the third white horses, and the fourth dappled horses—all of them strong.

4So I inquired of the angel who was speaking with me, “What are these, my lord?”

5And the angel told me, “These are the four spirits1 of heaven, going forth from their station before the Lord of all the earth.