Act Acts, chapter Acts of the Apostles, chapter 18
Then hee came to Ephesus, and left them there: but hee entred into the Synagogue and disputed with the Iewes. Who desired him to tarie a longer time with them: but he would not consent, But bade the farewel, saying, I must needes keepe this feast that commeth, in Hierusalem: but I will returne againe vnto you, if God will. So he sailed from Ephesus. Jas 4:15; 1Co 4:19