Bible Verses About Divisions

That they all may be one; as thou, Father, art in me, and I in thee, that they also may be one in us: that the world may believe that thou hast sent me.

And the glory which thou gavest me I have given them; that they may be one, even as we are one:

I in them, and thou in me, that they may be made perfect in one; and that the world may know that thou hast sent me, and hast loved them, as thou hast loved me.

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

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

Is Christ divided? was Paul crucified for you? or were ye baptized in the name of Paul?