Before his coming, John had proclaimed a baptism of repentance to all the people of Israel.
24. We know what office John had, to wit, to prepare the way of the Lord. Therefore Paul bringeth in his testimony, that he may prove to the Jews that he preached no false Christ, but the true Christ of God, whom that most famous forerunner had before commended; not that man’s testimony is sufficient to prove so weighty a matter; but there was another...
Perga in Pamphylia was a noted place, especially for a temple there erected to the goddess Diana, yet nothing at all is related of what Paul and Barnabas did there, only that thither they came (Act 13:13), and thence they departed, Act 13:14.
Commenting on Acts 13:14-41
Men and brethren, children of the stock of Abraham,.... This address is made to them in the synagogue, who were Jews by birth, and in a form very grateful and pleasing; he calls them "men", perhaps not only from the common nature of mankind in them, but because they took this name peculiarly to themselves, and denied it to the nations of the world; and...