And Joseph and his mother marveled at those things which were spoken of him.
All Commentaries on Luke 2:33 Go To Luke 2
Ambrose of Milan
AD 397
Behold what abundant grace is extended to all men by the birth of the Lord, and how prophecy is withheld from the unbelievers, not from the righteous. Simeon also prophesies that Christ Jesus has come for the fall and rising again of many.
That is, to distinguish the merits of the just and the unjust, and according to the quality of our deeds, as a true and just Judge, to decree punishment or rewards.
Or it shows the wisdom of Mary, that she was not ignorant of the heavenly Majesty For the word of God is living and strong, and sharper than the sharpest sword.