And when forty years were expired, there appeared to him in the wilderness of mount Sinai an angel of the Lord in a flame of fire in a bush.
All Commentaries on Acts 7:30 Go To Acts 7
John Chrysostom
AD 407
Do you mark that it is not hindered by lapse of time? For when he was an exile, when a stranger, when he had now passed much time in a foreign land, so as to have two sons, when he no longer expected to return, then does the Angel appear to him. The Son of God he calls an Angel, as also he calls Him man. (Appears) in the desert, not in a temple. See how many miracles are taking place, and no word of Temple, no word of Sacrifice. And here also not simply in the desert, but in the bush.