Acts 15:37-39

Haweis(i) 37 Now Barnabas had resolved to take with him John, whose surname is Mark. 38 But Paul did not think him a fit person to take with them, who had withdrawn from them from Pamphylia, and no longer went with them to the service. 39 So there grew up a sudden quarrel, insomuch that they separated from each other: and Barnabas, taking Mark with him, sailed away to Cyprus: