John Chrysostom

A miraculous sign again takes place, which both confirms the converts, and draws over the rest; and such, as they were a sign for having wrought. The disease was in the nature of the man, and baffled the art of medicine. He had been forty years lame, as the writer says afterwards, and no one during all that time had cured him. And the most obstinate diseases are those which are born with men. It was a great calamity, insomuch that even to provide for himself his necessary sustenance was impossible for him. …

Homily on Acts 8 ↗

Theophylact of Ohrid

Why does he not name the lame man? It is because the apostles did not even know his name, since this man was entirely unknown to them. Or perhaps it was so that it would not appear that they performed healings as a sign of gratitude and out of partiality. Or so that no one, even the most impudent of people, could suspect them of deceit — suspect that out of gratitude to the apostles some of their acquaintances invented healings that had supposedly been performed upon themselves. …

Commentary on Acts ↗

Oecumenius

How does he not say the name of the lame man? because even the apostles did not know him. For the man was entirely unknown to them. And this was so that they might not appear to be showing special favor, and making cures by effort, nor might any suspicion of hypocrisy be entertained even by the most shameless, that some acquaintances of the apostles were pretending the cures about them for the sake of favor from the apostles. How then did they not learn his name after the healing? …

Commentary on Acts ↗

Bede

Whom they laid daily at the gate of the temple, which is called Beautiful. The Beautiful Gate of the temple is the Lord, through whom if anyone enters, he shall be saved. To this gate, the weak Israel, unable to go on his own, is carried by the voices of the law and the prophets, so that he may beseech help from those entering the interior, by hearing the wisdom of faith. …

Commentary on Acts ↗