Cyril of Alexandria

For like something consecrated to God, the host of the nations are given over to God's glory, released from all charges through faith and washed from all filth through holy baptism, like a guest's gift, as if given out of the apostolic fervor for God. On that account they rejoice, naming him their joy and crown. …

Commentary On Isaiah 5:6.66:18-21 ↗

Jerome

And they shall proclaim my glory among the nations, and they shall bring all your brothers from all the nations as an offering to the Lord, on horses, and in chariots, and in litters, and on mules, and on carts, to my holy mountain Jerusalem, says the Lord. LXX: And they shall proclaim my glory among the nations, and they shall bring your brothers from all the nations as an offering to the Lord, with horses and chariots, and with litters on the backs of mules, with sunshades to the holy city Jerusalem, says the Lord. …

Commentary on Isaiah ↗

Thomas Aquinas

Third, he sets out the preparation of those to be judged. And first, as to the good; second, as to the wicked: and they shall go out, and see (Isa 66:22). The first of these is divided into two parts. First, as to the Jews, he sets out their honorable return: and they shall bring all your brethren out upon horses, by which are signified the reinforcements they reverently received from the gentiles: the Lord will bring them to you (Bar 5:6); or by which are signified the various conditions of those who are converted to the faith, as …

Commentary on Isaiah ↗