Acts 7:26
The next day he showed himself to two of them engaged in a fight, and he tried to get them to make friends, saying, 'You are brothers, why should you harm each other?'
1 Corinthians 6:5-8
I ask this to make you blush with shame. Has it come to this, that there is not a single wise man among you who could settle a grievance of one brother against another,
Hebrews 13:1
You must let your brotherly love continue.
1 Peter 3:8
Finally, you must all live in harmony, be sympathetic, loving as brothers, tenderhearted, humble,
1 John 3:11-13
it is so because the message that you have heard from the beginning is this: We should love one another.