Acts 18:22

19 and he came down to Ephesus, and did leave them there, and he himself having entered into the synagogue did reason with the Jews:

20 and they having requested [him] to remain a longer time with them, he did not consent,

21 but took leave of them, saying, `It behoveth me by all means the coming feast to keep at Jerusalem, and again I will return unto you -- God willing.` And he sailed from Ephesus,

22 and having come down to Cesarea, having gone up, and having saluted the assembly, he went down to Antioch.

23 And having made some stay he went forth, going through in order the region of Galatia and Phrygia, strengthening all the disciples.

24 And a certain Jew, Apollos by name, an Alexandrian by birth, a man of eloquence, being mighty in the Writings, came to Ephesus,

25 this one was instructed in the way of the Lord, and being fervent in the Spirit, was speaking and teaching exactly the things about the Lord, knowing only the baptism of John;