Zechariah 6:7 (KJV)

And the angel answered and said unto me, These are the four spirits of the heavens, which go forth from standing before the Lord of all the earth.

The black horses which are therein go forth into the north country; and the white go forth after them; and the grisled go forth toward the south country.

And the bay went forth, and sought to go that they might walk to and fro through the earth: and he said, Get you hence, walk to and fro through the earth. So they walked to and fro through the earth.

Then cried he upon me, and spake unto me, saying, Behold, these that go toward the north country have quieted my spirit in the north country.

And the word of the Lord came unto me, saying,