Matthew 24:10
And then shall many be offended, and shall betray one another, and hate one another.
Acts 23:7-10
So when he had said this, a great dissension arose between the Pharisees and the Sadducees: and the multitude was divided.
Galatians 5:15
But if ye bite and devour one another, take heed that ye be not consumed by one another.
James 3:14
But if ye have bitter envy and contention in your heart, boast not, and lie not against the truth.
James 3:16
For where envy and contention dwell, there is tumult and every vile deed.
James 4:1-3
FROM whence come wars and conflicts among you? spring they not from hence, even from your passions, which war in your members?