וַיַּ֥עַן הַמַּלְאָ֖ךְ וַיֹּ֣אמֶר אֵלָ֑י אֵ֗לֶּה אַרְבַּע֙ רֻח֣וֹת הַשָּׁמַ֔יִם יוֹצְא֕וֹת מֵֽהִתְיַצֵּ֖ב עַל־אֲד֥וֹן כָּל־הָאָֽרֶץ׃
And the angel answered and said unto me: ‘These chariots go forth to the four winds of heaven, after presenting themselves before the Lord of all the earth.
Read Jewish philosophical commentary on Zechariah 6:5: and classical philosophical sources.