John Chrysostom

"But ye denied the Holy One and the Just, and desired a murderer to be granted unto you; and killed the Prince of Life: Whom God hath raised from the dead; whereof we are witnesses." Ye desired a robber instead of Him. He shows the great aggravation of the act. As he has them under his hand, he now strikes hard. "The Prince of Life," he says. In these words he establishes the doctrine of the Resurrection. "Whence doth this appear?" He no longer refers to the Prophets, but to himself, inasmuch as now he has a right to be believed. …

Homily on Acts 9 ↗

Theophylact of Ohrid

"You denied the Holy and Righteous One, and asked for a murderer to be granted to you." Having said that instead of Christ the Jews requested a robber, Peter explained the matter fully, because by this it is proven that they had the opportunity to release Him. If they already released a robber, then all the more could they have released an innocent man.

Commentary on Acts ↗

Oecumenius

By saying, "you asked that a murderer," he contrived craftily, so that they might release Christ. For if they had caused the murderer to be released, would they not thereby have proved the greater guilty party, rather than the innocent one? But now, on the contrary, they chose the guilty man and handed over the innocent one to be slain. (see Matt. 27:20)

Commentary on Acts ↗

Hippolytus of Rome

I produce now the prophecy of Solomon, which speaketh of Christ, and announces clearly and perspicuously things concerning the Jews; and those which not only are befalling them at the present time, but those, too, which shall befall them in the future age, on account of the contumacy and audacity which they exhibited toward the Prince of Life; for the prophet says, "The ungodly said, reasoning with themselves, but not aright," that is, about Christ, "Let us lie in wait for the righteous, because he is not for our turn, and he is …

Fragments - Dogmatical and Historical ↗