1 Corinthians 1:10
Now I beg you, brothers, through the name of our Lord, Jesus Christ, that you all speak the same thing and that there be no divisions among you, but that you be perfected together in the same mind and in the same judgment.
1 Corinthians 12:25
that there should be no division in the body, but that the members should have the same care for one another.
If a house is divided against itself, that house cannot stand.
Avoid a factious man after a first and second warning;
So there arose a division in the multitude because of him.
Therefore a division arose again among the Jews because of these words.
Some therefore of the Pharisees said, "This man is not from God, because he doesn't keep the Sabbath." Others said, "How can a man who is a sinner do such signs?" There was division among them.
But the multitude of the city was divided. Part sided with the Jews, and part with the apostles.
Do you think that I have come to give peace in the earth? I tell you, no, but rather division.
A perverse man stirs up strife. A whisperer separates close friends.
He who covers an offense promotes love; but he who repeats a matter separates best friends.
When he had said this, an argument arose between the Pharisees and Sadducees, and the assembly was divided.
1 Corinthians 11:18
For first of all, when you come together in the assembly, I hear that divisions exist among you, and I partly believe it.
1 Corinthians 11:19
For there also must be factions among you, that those who are approved may be revealed among you.