Bede the Venerable — as excerpted in the Catena Aurea on Mark 1:40-45

“(ubi sup.) If any one wonders, how the Lord seems to approve of the Jewish sacrifice, which the Church rejects, let him remember, that He had not yet offered His own holocaust in His passion. And it was not right that significative sacrifices should be taken away, before that which they signified was confirmed by the witness of the Apostles in their preaching, and by the faith of the believing people.”