John Chrysostom

"But these things which God before had showed," etc. It is remarkable, that both in the first and in the second discourse, speaking to the same effect, that is, in the former, "By the determinate counsel and foreknowledge of God;" and in this, "God before had showed that Christ should suffer;" in neither does he adduce any particular text in proof. …

Homily on Acts 9 ↗

Cyril of Alexandria

In this discourse the Lord shows that the law was necessary to make ready the way, and the ministry of the prophets to prepare men for faith in this marvellous act, that so when the resurrection really took place, those who were troubled at its greatness might remember what was said of old, and be induced to believe. …

Commentary on the Gospel of Luke, Sermon 152 ↗

Theophylact of Ohrid

But why does Peter not cite testimony from Scripture about the crucifixion of Jesus? However, he also says above that "Him, being delivered by the determined counsel and foreknowledge of God, you have taken" (Acts 2:23), and now he sets forth the same thing, only more at length, saying: "God… as He foretold by the mouth of all His prophets." He does not bring forward direct testimony because, together with the declaration to the Jews of accusations and punishment, all the testimonies were also expressed to them, such as, for example: …

Commentary on Acts ↗