They shall not hurt nor destroy in all my holy mountain: for the earth shall be full of the knowledge of the LORD, as the waters cover the sea.
Read Chapter 11
Athanasius the Apostolic
But now, to all the earth has gone forth their voice, and all the earth has been filled with the knowledge of God, and the disciples have made disciples of all the nations, and now is fulfilled what is written: “They shall be all taught of God.” And then what was revealed was but a type; but now the truth has been manifested. - "Four Discourses Against the Arians 1.13.8"
Paul testifies to our Redeemer when he says, “He was made a curse for us.” The wood of the cross is also announced through the prophet, who said, “The Lord reigned from a tree,” and again, “Let us put wood in his bread.” But the wood of the cross is explicitly revealed through the gospel, where the prophesied passion of the Lord is described.
This very same cross is also maintained in words and works through the apostles, as when Paul writes, “The world is crucified to me and I to the world,” and again, “May I glory in nothing except the cross of our Lord Jesus Christ.” For us who strive to reach the eternal homeland, therefore, sacred Scripture is the sea in its four aspects. It announces the cross because it bears us on a tree to the land of the living. Had the prophet not found a likeness between sacred Scripture and the sea, he never would have said, “The earth is full of the knowledge of the Lord, like the waters covering the sea.” It follows, then: “The four had one likeness and ...
We all are blended into one and the same evenness of self-restraint, so also there, by the characters of the brute animals indicating the different dispositions of men, he again spoke of their being linked in one and the same harmony of godliness.
The most inveterate pagans, being once converted, entirely alter their manners, Osee ii. 18. (George Haydock) earth is filled with the knowledge: Thus we see that since the Incarnation of Christ men have been instructed more evidently and surely in the knowledge of God.