John Chrysostom

He knew this from the first, and plans his discourse beforehand with a view to it. Gentiles? What Gentiles henceforth? They were no longer Gentiles, the Truth being come. It is nothing wonderful, he says, if before the act of baptism they received the Spirit: in our own case this same happened. Peter shows that not as the rest either were they baptized, but in a much better way. This is the reason why the thing takes place in this manner, that they may have nothing to say, but even in this way may account them equal with themselves.

Homily on Acts 24 ↗

Theophylact of Ohrid

He discusses the love of God for mankind and shows that God granted them great gifts, and at the same time speaks of something great, yet speaks with humility. Because he did not say: "People! We have come to you, though we consider it unworthy to associate with anyone," but said: "You know that God pronounced such a commandment that it was considered unlawful 'for a Jew to associate with or approach a foreigner; but God revealed to me that I should not call any person common or unclean.'" It is remarkable that God Himself commanded …

Commentary on Acts ↗

Irenaeus

For even Peter, although he had been sent to instruct them, and had been constrained by a vision to that effect, spake nevertheless with not a little hesitation, saying to them: "Ye know how it is an unlawful thing for a man that is a Jew to keep company with, or to come unto, one of another nation; but God hath shown me that I should not call any man common or unclean. Therefore came I without gainsaying; " indicating by these words, that he would not have come to them unless he had been commanded.

Against Heresies Book III ↗

Bede

And God showed me that no man should be called common or unclean. He undoubtedly showed this when the angelic voice sounded: What God has purified, do not call common.

Commentary on Acts ↗