John Chrysostom

"This is he that was in the Church in the wilderness, and, that said unto the children of Israel." Do you mark that thence comes the root, and that "salvation is from the Jews?" "With the Angel," it says, "which spake unto him." Lo, again he affirms that it was He (Christ) that gave the Law, seeing Moses was with "Him" in the Church in the wilderness. …

Homily on Acts 17 ↗

Theophylact of Ohrid

"This is he who was in the congregation in the wilderness with the Angel who spoke to him on Mount Sinai." The words before us show that people become better or worse not because of their location, for those spoken of here, though already outside of Egypt in terms of place, were in Egypt in their disposition and did not abandon thoughts of Egyptian customs, as the Gospel also says: "Where your treasure is, there will your heart be also" (Lk. 12:34). Many, while still on earth, gather treasure in heaven; there also is their heart. …

Commentary on Acts ↗

Oecumenius

Consider that at first they brought them offering sacrifices, and then that they offered them to idols. For previously the name "sacrifices" is nowhere found, but there were precepts concerning living and rational animals. The testimony, however, does not introduce this randomly, but so as to show that there is no necessity for sacrifices, in that he says: "Did you not offer me victims and sacrifices," etc., as if he says: You cannot say that when you were sacrificing to God you also offered them to those idols, but that you first …

Commentary on Acts ↗