1 Corinthians 3:4

For when one says, I am of Paul; and another says, I am of Apollos; are you not talking like natural men?

1 Corinthians 1:12

That is, that some of you say, I am of Paul; some say, I am of Apollos; some say, I am of Cephas; and some say, I am Christ's.

1 Corinthians 3:3

Because you are still in the flesh: for when there is envy and division among you, are you not still walking after the way of the flesh, even as natural men?

1 Corinthians 4:6

My brothers, it is because of you that I have taken Apollos and myself as examples of these things, so that in us you might see that it is not wise to go farther than what is in the holy Writings, so that no one of you may be lifted up against his brother.

Treasury of Scripture Knowledge

Summary

For while one saith, I am of Paul; and another, I am of Apollos; are ye not carnal?

Bible References

General references

1 Corinthians 1:12
That is, that some of you say, I am of Paul; some say, I am of Apollos; some say, I am of Cephas; and some say, I am Christ's.
1 Corinthians 4:6
My brothers, it is because of you that I have taken Apollos and myself as examples of these things, so that in us you might see that it is not wise to go farther than what is in the holy Writings, so that no one of you may be lifted up against his brother.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain