8 Bible Verses about Division Among Christians

But certain persons came down from Judea, and began to teach the Brethren that, unless they were circumcised, in accordance with the custom enjoined by Moses, they could not be saved. This gave rise to a serious dispute, and much discussion, between Paul and Barnabas and these men, and it was therefore settled that Paul and Barnabas and others of their number should go up to Jerusalem, to consult the Apostles and Officers of the Church about the matter under discussion. The Church, therefore, sent them on their journey, and they made their way through Phoenicia and Samaria, telling the story of the conversion of the Gentiles, to the great joy of all the Brethren.read more.
On their arrival at Jerusalem, they were welcomed by the Church, as well as by the Apostles and the Officers, and gave an account of all that God had helped them to do. Some of the Pharisees' party, however, who had become believers in Christ, came forward and declared that they were bound to circumcise converts and to direct them to observe the Law of Moses.

I urge you, Brothers, to be on your guard against people who, by disregarding the teaching which you received, cause divisions and create difficulties; dissociate yourselves from them.

But I appeal to you, Brothers, by the Name of our Lord Jesus Christ, to agree in what you profess, and not to allow divisions to exist among you, but to be united-of one mind and of one opinion. For I have been informed, my Brothers, by the members of Chloe's household, that party feeling exists among you. I mean this, that every one of you says either 'I follow Paul,' or 'I Apollos,' or 'I Kephas,' or 'I Christ.'read more.
You have rent the Christ in pieces! Was it Paul who was crucified for you? or were you baptized into the Faith of Paul?

While there exist among you jealousy and party feeling, is it not true that you are worldly, and are acting merely as other men do?

Can it be that, when one of you has a dispute with another, he dares to have his case tried before the heathen, instead of before Christ's People?

To begin with, I hear you and, to some extent, I believe it.

Beware of those 'dogs'! Beware of those mischievous workers! Beware of the men who mutilate themselves!

From us, it is true, they went out, but they had never belonged to us; for, if they had belonged to us, they would have remained among us. They left us that it might be made clear that they do not, any of them, belong to us.