(2.) Their number. They are four; so they appear here, though they are innumerable; not as if these were four particular angels set up above the rest, as some have fondly imagined, Michael and Gabriel, Raphael and Uriel, but for the sake of the four faces they put on, and to intimate their being sent forth towards the four winds of heaven, Matt. xxiv. 31. Zechariah saw them as four chariots going forth east, west, north, and south, Zech. vi. 1. God has messengers to send every way; for his kingdom is universal, and reaches to all parts of the world.