And when they were departed, behold, the angel of the Lord appeared to Joseph in a dream, saying, Arise, and take the young child and his mother, and flee into Egypt, and remain there until I bring you word: for Herod will seek the young child to destroy him.
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There is something here worth inquiring into, both touching the magi, and touching the Child; for if even they were not troubled, but received all with faith, it is worthy of examination on our part, why they and the young Child are not preserved, continuing there, but they as fugitives go into Persia, He with His mother into Egypt. But what? Should He have fallen into the hands of Herod, and having fallen, not have been cut off? Nay, He would not have been thought to have taken flesh upon Him; the greatness of the Economy would not have been believed.
For if, while these things are taking place, and many circumstances are being ordered mysteriously after the manner of men, some have dared to say that His assumption of our flesh is a fable; in what degree of impiety would they not have been wrecked had He done all in a manner becoming His Godhead, and according to His own power?
As to the wise men, He sends them off quickly, at once both commissioning them as teachers to the land...
Do you see now the reason why God permitted the Virgin to be betrothed? It is revealed to you here: that Joseph might care for her and watch over her. The angel did not say, "take thy wife," but "take the mother of the Child." For once his suspicion had been allayed, and the righteous man had understood from the miracles attendant at His birth that everything was of the Holy Spirit, the angel no longer calls her Joseph’s "wife."
Even the Lord flees, to confirm that He was truly man. For if He had fallen into the hands of Herod and had not been slain, it would have seemed that He had been made flesh only in appearance. He flees into Egypt to sanctify even that place. For there were two lands that were the workshops of every iniquity: Babylon and Egypt. By means of the Magi He accepted the adoration of Babylon, and Egypt He sanctified by His own presence.
Remain there until you receive God’s command. So we, too, should do nothing apart from the will of God.
Behold the foolishness...