Catena Aurea on Matthew 1:22–23: Glossa Ordinaria

This error then is barred by the Evangelist saying, “That it might be fulfilled which was spoken of the Lord by the Prophet.”

Now one kind of prophecy is by the preordination of God, and must needs be fulfilled, and that without any free choice on our part. Such is that of which we now speak; wherefore he says, “Lo,” to shew the certainty of prophecy.

There is another kind of prophecy which is by the foreknowledge of God, and with this our free will is mixed up; wherein by grace working with us we obtain reward, or if justly deserted by it, torment.

Another is not of foreknowledge, but is a kind of threat made after the manner of men; as that, “Yet forty days, and Nineveh shall be overthrown;” [Jonah 3] understanding, unless the Ninevites amend themselves.