²⁷ When Apollos wanted to go to Achaia,^(A) the brothers and sisters^(B) encouraged him and wrote to the disciples there to welcome him. When he arrived, he was a great help to those who by grace had believed. ²⁸ For he vigorously refuted his Jewish opponents in public debate, proving from the Scriptures^(C) that Jesus was the Messiah.^(D)