Greek Expositor
Catena Aurea · Lukasevangelium 2
And Joseph and his mother marvelled at those things which were spoken of him. And Simeon blessed them, and said unto Mary his mother, Behold, this child is set for the fall and rising again of many in Israel; and for a sign which shall be spoken against; (Yea, a sword shall pierce through thy own soul also,) that the thoughts of many hearts may be revealed.
(Photius.) The knowledge of supernatural things, as often as it is brought to the recollection, renews the miracle in the mind, and hence it is said, His father and mother marvelled at those things which were said of him.