8 Bible Verses about Division Among Christians

But certain men coming down from Judea taught the brethren, Except ye be circumcised, after the manner of Moses, ye cannot be saved. When therefore Paul and Barnabas had had no small contention and debate with them, they determined, that Paul and Barnabas and certain others of them, should go up to the apostles and elders at Jerusalem about this question. And being brought on their way by the church, they passed through Phenicia and Samaria, declaring the conversion of the Gentiles; and they caused great joy to all the brethren.read more.
And being come to Jerusalem, they were received by the church, and the apostles, and elders; and they declared all things which God had done with them. But there rose up, said they, certain of the sect of the Pharisees who believed, saying, That we ought to circumcise them, and command them to keep the law of Moses.

Now I beseech you, brethren, mark them who cause divisions and offences, contrary to the doctrine which ye have learned, and avoid them.

Now I exhort you, brethren, by the name of our Lord Jesus Christ, that ye all speak the same thing, and that there be no schisms among you, but that ye be perfectly joined together, in the same mind and in the same judgment. For it hath been declared to me of you, my brethren, by them of the family of Chloe, that there are contentions among you. Now this I say, every one of you saith, I am of Paul, and I of Apollos, and I of Cephas, and I of Christ.read more.
Is Christ divided? Was Paul crucified for you?

For ye are still carnal: for while there is among you emulation, and strife, and divisions, are ye not carnal, and walk according to man?

Dare any of you, having a matter against another, refer it to the unjust, and not to the saints?

For first, when ye come together in the church, I hear there are schisms among you, (and I partly believe it.

Beware of dogs, beware of evil-workers,

They went out from us, but they were not of us: for if they had been of us, they would have continued with us: but they went out, that they might be made manifest, that they were not all of us.