1 Corinthians 3:4

For when one of you says, “I am [a disciple] of Paul,” and another, “I am [a disciple] of Apollos,” are you not [proving yourselves unchanged, just] ordinary people?

1 Corinthians 1:12

Now I mean this, that each one of you says, “I am [a disciple] of Paul,” or “I am [a disciple] of Apollos,” or “I am [a disciple] of Cephas (Peter),” or “I am [a disciple] of Christ.”

1 Corinthians 3:3

You are still worldly [controlled by ordinary impulses, the sinful capacity]. For as long as there is jealousy and strife and discord among you, are you not unspiritual, and are you not walking like ordinary men [unchanged by faith]?

1 Corinthians 4:6

Now I have applied these things [that is, the analogies about factions] to myself and Apollos for your benefit, believers, so that you may learn from us not to go beyond what is written [in Scripture], so that none of you will become arrogant and boast in favor of one [minister or teacher] against the other.

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
Now I mean this, that each one of you says, “I am [a disciple] of Paul,” or “I am [a disciple] of Apollos,” or “I am [a disciple] of Cephas (Peter),” or “I am [a disciple] of Christ.”
1 Corinthians 4:6
Now I have applied these things [that is, the analogies about factions] to myself and Apollos for your benefit, believers, so that you may learn from us not to go beyond what is written [in Scripture], so that none of you will become arrogant and boast in favor of one [minister or teacher] against the other.