Some time later Paul said to Barnabas, "Let us go back and visit the brothers in all the towns1 where we preached the word of the Lord 2 and see how they are doing."
References for Acts 15:36
Barnabas wanted to take John, also called Mark,3 with them,
References for Acts 15:37
but Paul did not think it wise to take him, because he had deserted them4 in Pamphylia and had not continued with them in the work.
References for Acts 15:38
They had such a sharp disagreement that they parted company. Barnabas took Mark and sailed for Cyprus,