Cyril of Alexandria

There is among them no true knowledge of the things to come, but rather they prophesy falsely, and with clownish talk and deception and trickery and nothing else. The God of the universe responds: If they prophesy rightly, they will come close and will know at the same time. For if they are able to prophesy rightly, then they will all be brought together as one. For their oracles came from many places. But some worked others into a frenzy and honored the unclean demons who were speaking falsehood. …

Commentary On Isaiah 4:3.45:21-22 ↗

Jerome

Announce, and come, and counsel together: Who has declared this from the beginning, and from then on predicted it? Is it not I, the Lord? There is no other God besides me, a righteous God and a Savior; there is none besides me. LXX: Tell ye, and come, and consult together: who hath declared this from the beginning, who hath foretold this from that time? Have not I the Lord, and there is no God else besides me? A just God and a saviour, there is none besides me. …

Commentary on Isaiah ↗

Thomas Aquinas

He enjoins the declaration of his praise: tell, in which he enjoins the office, consult together, how you ought to convert others: declare his glory among the Gentiles (Ps 96:3); who has declared, in which he teaches them the proof of his divinity for converting others, namely from his foreknowledge of future things. And he sets out the reasoning and the conclusion, where it says, have not I, therefore, etc.; he declares the things that are past, and the things that are to come (Sir 42:19).

Commentary on Isaiah ↗