Athanasius the Great
Catena Aurea · Lukasevangelium 2
And when the days of her purification according to the law of Moses were accomplished, they brought him to Jerusalem, to present him to the Lord; (As it is written in the law of the Lord, Every male that openeth the womb shall be called holy to the Lord;) 24 And to offer a sacrifice according to that which is said in the law of the Lord, A pair of turtledoves, or two young pigeons. And, behold, there was a man in Jerusalem, whose name was Simeon; and the same man was just and devout, waiting for the consolation of Israel; and the Holy Ghost was upon him.
(ubi sup.) He ordered two things to be offered, because as man consists of both body and soul, the Lord requires a double return from us, chastity and meekness, not only of the body, but also of the soul. Otherwise, man will be a dissembler and hypocrite, wearing the face of innocence to mask his hidden malice.