Bible Verses About Dissension: In churches

Now I beseech you, brethren, by the name of our Lord Jesus Christ, that you all speak the same thing and that there be no schisms among you: but that you be perfect in the same mind and in the same judgment.

For it hath been signified unto me, my brethren, of you, by them that are of the house of Chloe, that there are contentions among you.

Now this I say, that every one of you saith: I indeed am of Paul; and I am of Apollo; and I of Cephas; and I of Christ.

Is Christ divided? Was Paul then crucified for you? Or were you baptized in the name of Paul?

For, whereas there is among you envying and contention, are you not carnal and walk you not according to man?

For while one saith: I indeed am of Paul: and another: I am of Apollo: are you not men? What then is Apollo and what is Paul?

For first of all I hear that when you come together in the church, there are schisms among you. And in part I believe it.

For there must be also heresies: that they also, who are approved may be made manifest among you.