Then the deputy, when he saw what was done, believed, being astonished at the doctrine of the Lord.
All Commentaries on Acts 13:12 Go To Acts 13
John Chrysostom
AD 407
he saw that these things were not mere words, nor trickery. Mark how he loved to receive instruction from his teachers, though he was in a station of so high authority. And (Paul) said not to the sorcerer, Will you not cease to pervert the proconsul? What may be the reason of John's going back from them? For John, it says, departing from them returned to Jerusalem