Matthew 24:10
Then many will fall away and betray one another and hate one another.
Acts 23:7-10
When he said that, a dispute arose between the Pharisees and the Sadducees, and the meeting was divided.
Galatians 5:15
But if you bite one another and eat one another, take care, or you will be destroyed by one another.
James 3:14
But if you cherish bitter feelings of jealousy and rivalry in your hearts, do not pride yourselves on it and thus belie the truth.
James 3:16
For wherever jealousy and rivalry exist, there will be confusion and every low action.
James 4:1-3
What causes wars and fights among you? Is it not your cravings, which are at war within your bodies?