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.English Standard Version
But on taking leave of them he said, "I will return to you if God wills," and he set sail from Ephesus.New International Version
But as he left, he promised, "I will come back if it is God's will." Then he set sail from Ephesus.