Acts 18:21
King James Version
“But bade them farewell, saying, I must by all means keep this feast that cometh in Jerusalem: but I will return again unto you, if God will. And he sailed from Ephesus.”
Context
18And Paul tarried yet a good while, and then took his leave of the brethren, and sailed thence into Syria, and with him Priscilla and Aquila; having shorn head in Cenchrea: for he had a vow.
19And he came to Ephesus, and left them there: but he himself entered into the synagogue, and reasoned with the Jews.
20When they desired to tarry longer time with them, he consented not;
21But bade them farewell, saying, I must by all means keep this feast that cometh in Jerusalem: but I will return again unto you, if God will. And he sailed from Ephesus.
22And when he had landed at Caesarea, and gone up, and saluted the church, he went down to Antioch.
23And after he had spent some time he departed, and went over the country of Galatia and Phrygia in order, strengthening all the disciples.
24And a certain Jew named Apollos, born at Alexandria, an eloquent man, mighty in the scriptures, came to Ephesus.