Acts 7:26

Next day he came upon two of them fighting and tried to pacify them. "You are brothers!" he said, "why injure one another?"

John 15:17-18

This is what I command you, to love one another.

1 Corinthians 6:6-8

instead of one brother going to law with another ??and before unbelievers too!

Philippians 2:1

So by all the stimulus of Christ, by every incentive of love, by all your participation in the Spirit, by all your affectionate tenderness,

Philippians 2:3

never acting for private ends or from vanity, but humbly considering each other the better man,

1 John 3:11-15

For this is the message you have learned from the very beginning, that we are to love one another:

Treasury of Scripture Knowledge

Summary

And the next day he shewed himself unto them as they strove, and would have set them at one again, saying, Sirs, ye are brethren; why do ye wrong one to another?

Bible References

Ye are

John 15:17
This is what I command you, to love one another.
1 Corinthians 6:6
instead of one brother going to law with another ??and before unbelievers too!
Philippians 2:1
So by all the stimulus of Christ, by every incentive of love, by all your participation in the Spirit, by all your affectionate tenderness,
1 John 3:11
For this is the message you have learned from the very beginning, that we are to love one another: