Acts 18:19-21
18:19 When they reached Ephesus, Paul left Priscilla and Aquila behind there, but he himself went into the synagogue and addressed the Jews.
18:20 When they asked him to stay longer, he would not consent,
18:21 but said farewell to them and added, “I will come back to you again if God wills.” Then he set sail from Ephesus,
Acts 18:24
Apollos Begins His Ministry
18:24 Now a Jew named Apollos, a native of Alexandria, arrived in Ephesus. He was an eloquent speaker, well-versed in the scriptures.