Matthew 24:10
and then many shall be offended, and shall betray one another, and hate one another;
Acts 23:7-10
And having said this, there was a dissension between the Pharisees and Sadducees, and the multitude were divided.
Galatians 5:15
But if you bite and devour one another, see that you be not consumed one by another.
James 3:14
But if you have bitter envying and strife in your hearts, boast not and lie not against the truth.
James 3:16
For where envy and strife are, there are disorder and every evil work.
James 4:1-3
Whence come wars and contentions among you? Come they not thence, from your pleasures that war in your members?