3 Bible Verses about Contention, Causes

But Paul was not at all in favor of taking someone who had left them and refused to continue on in the work [of preaching the Gospel] when they were in Pamphylia. [See 13:13]. A heated discussion developed [over this matter] so that Paul and Barnabas went their separate ways [over it], with Barnabas sailing for Cyprus and taking [John] Mark with him.

For it has been reported to me about you, my brothers, by some of Chloe's family, that there is quarreling [going on] among you. Now this is what I mean: Each of you is saying, "I am a follower of Paul," and another "I am a follower of Apollos," and another "I am a follower of Cephas [i.e., Peter]," and another "I am a follower of Christ." Has Christ been divided? Was Paul crucified for you? Or were you immersed into the name of Paul?

But if you [unlovingly] bite and eat one another [i.e., figuratively], be careful that you do not totally consume one another.