Bede : They were speaking, urging them to remain in the grace of God. Hence in the Greek follows a verse, which our Codices do not have: But the word was spread throughout the whole city, and then what we have is added: On the next Sabbath, almost the whole city gathered to hear the word of God. — Retractions on Acts Bede : Many Jews and devout converts followed them. It is better read: "And worshipers of God," as we have seen in the Greek. This means those who were Gentiles by nature but Jews by religion, whom the Greeks call proselytes. — Commentary on Acts John Chrysostom : "And when the congregation was broken up, many of the Jews and worshipping proselytes followed Paul and Barnabas" - after this point he puts Paul first - "who, speaking unto them, persuaded them to continue in the grace of God." Do you observe the eagerness, how great it is? They "followed" them, it says. Why did they not baptize them immediately? It was not the proper time: there was need to persuade them in order to their steadfast abiding therein. — Homily on Acts 30 John Chrysostom : See the Apostles on all occasions exhorting, not merely accepting men, nor courting them, but, "speaking unto them," it says, "they persuaded them to continue in the grace of God." — Homily on Acts 30 Oecumenius : Respecting here and going forward those who are fervent and passionate in the worship surrounding it, he calls them rather zealots than the others. For such persons accepted the faith in Christ sooner than others, being able to perceive its superiority and greatness, and not from human passion, but from a regard for truth and a love of devotion and the reverence they previously held, becoming zealots for that. And again such persons were more incited and enraged against the disciples and the preaching, as showing greater zeal for their own worship than the others. Or he calls proselytes those who worship privately. And speaking publicly and saying: "Men of Israel and you who fear God," (Acts 13:16) he called the proselytes those who fear God, praising some as belonging to the nation and naming them Israelites, and, because he could not say that of others, equating them with respect to religion. [CHRYSOSTOM] — Commentary on Acts