John Chrysostom

"Neither is there salvation in any other," Peter says. What wounds, think you, must these words inflict on them! "For there is none other name," he continues, "under heaven given among men, whereby we must be saved." Here he utters also lofty words. For when the object is, not to carry some point successfully, but only to show boldness he does not spare; for he was not afraid of striking too deep. Nor does he say simply, "By another;" but, "Neither is there salvation in any other": that is, He is able to save us. …

Homily on Acts 10 ↗

Theophylact of Ohrid

"And there is salvation in no one else." Here lofty truths are already being proclaimed. Yes, as soon as the hour came to teach, the apostles set aside the prophecies; and when the time came to speak with boldness, they were already setting forth their own thoughts, because then there was nothing by which they could have influenced their listeners for the purpose of correcting them. But when it was necessary to boldly proclaim the truth, the apostles no longer spared their listeners. …

Commentary on Acts ↗

Oecumenius

Consider also that where it is fitting to teach, they even bring forward prophecies, as in the earlier sermon: but when they speak freely alone, they express an opinion: "For there is no other name given," he says. And what this is has already been said.

Commentary on Acts ↗

Bede

And there is no salvation in any other. If salvation is in no other, but only in Christ, then the fathers of the Old Testament were saved by the same Redeemer's incarnation and passion, in which we believe and hope to be saved. And though the sacraments may differ according to the times, yet the same faith agrees. For the dispensation of Christ, which we know to have been accomplished through the apostles, they learned through the prophets would come. …

Commentary on Acts ↗