Patristic A.D. 604
“(Moral. iv. 1.) When the Lord on the mountain is about to utter His sublime precepts, it is said, Opening his month he taught them, He who had before opened the mouth of the Prophets.”
Catena Aurea: Gospel of Matthew, as excerpted in the Catena Aurea on Matthew 5:1-3
PD · J. H. Newman (Oxford, 1841) ↗