1 Corinthians 11:18

For first of all, I have been informed [Note: This was probably by Chloe's family. See 1:11] that divisions exist among you people when you assemble as a congregation. And I am inclined to believe it [is true].

1 Corinthians 3:3

for you are still worldly [minded]. And since there is jealousy and quarreling among you, is that not evidence that you are [still] worldly and living like [unspiritual] people?

1 Corinthians 1:10-12

Now I urge you, brothers, through the name [i.e., by the authority] of our Lord Jesus Christ, that you should all agree in what you say, so that no divisions [continue] among you. Be restored [to unity] by having common thoughts and convictions [i.e., in spiritual matters].

1 Corinthians 5:1

It has actually been reported [to me] that there is a case of sexual immorality among you that is unheard of, even among the [unconverted] Gentiles. One of you is having sex with his stepmother.

1 Corinthians 6:1

If any one of you has a complaint against someone, how can you dare to take it before non-Christian judges [to be decided], instead of before the saints [i.e., God's holy people]?

Treasury of Scripture Knowledge

Summary

For first of all, when ye come together in the church, I hear that there be divisions among you; and I partly believe it.

General references

Bible References

I hear

1 Corinthians 1:10
Now I urge you, brothers, through the name [i.e., by the authority] of our Lord Jesus Christ, that you should all agree in what you say, so that no divisions [continue] among you. Be restored [to unity] by having common thoughts and convictions [i.e., in spiritual matters].
1 Corinthians 3:3
for you are still worldly [minded]. And since there is jealousy and quarreling among you, is that not evidence that you are [still] worldly and living like [unspiritual] people?
1 Corinthians 5:1
It has actually been reported [to me] that there is a case of sexual immorality among you that is unheard of, even among the [unconverted] Gentiles. One of you is having sex with his stepmother.
1 Corinthians 6:1
If any one of you has a complaint against someone, how can you dare to take it before non-Christian judges [to be decided], instead of before the saints [i.e., God's holy people]?

Divisions

1 Corinthians 1:10
Now I urge you, brothers, through the name [i.e., by the authority] of our Lord Jesus Christ, that you should all agree in what you say, so that no divisions [continue] among you. Be restored [to unity] by having common thoughts and convictions [i.e., in spiritual matters].
1 Corinthians 3:3
for you are still worldly [minded]. And since there is jealousy and quarreling among you, is that not evidence that you are [still] worldly and living like [unspiritual] people?

General references

John 10:19
The Jews who heard these words became divided again [i.e., over their meaning].