And when the time came for their purification according to the Law of Moses, they brought him up to Jerusalem to present him to the Lord
22. And after that the days were fulfilled On the fortieth day after the birth, (Leviticus 12:2,4,) the rite of purification was necessary to be performed. But Mary and Joseph come to Jerusalem for another reason, to present Christ to the Lord, because he was the first-born. Let us now speak first of the purification.
Our Lord Jesus, being made of a woman, was made under the law, Gal 4:4. He was not only, as the son of a daughter of Adam, made under the law of nature, but as the son of a daughter of Abraham was made under the law of Moses; he put his neck under that yoke, though it was a heavy yoke, and a shadow of good things to come.
Commenting on Luke 2:21-24
And when the days of purification,.... Of the Virgin Mary, the mother of our Lord; though most copies read, "of their purification"; and so read the Syriac, Persic, and Ethiopic versions, including both Mary and Jesus: and now, though Mary was not polluted by the conception, bearing, and bringing forth of Jesus, that holy thing born of her; yet inasmuch as she was in the...