Acts 7:26

And the following day he shewed himself to them as they were fighting, and urged them to peace, saying, My friends, ye are brethren; wherefore do ye ill treat one another?

1 Corinthians 6:5-8

I speak to you to shame you. Is it so, that there is not among you a wise man? Not so much as one who is able to judge between one brother and another?

Hebrews 13:1

LET brotherly love continue.

1 Peter 3:8

Finally, be all like-minded, sympathizing, loving fraternally, compassionate, friendly hearted,

1 John 3:11-13

For this is the commandment which ye have heard from the beginning, that we should love one another.

Treasury of Scripture Knowledge

Summary

Thus saith the LORD, Ye shall not go up, nor fight against your brethren: return every man to his house: for this thing is done of me. And they obeyed the words of the LORD, and returned from going against Jeroboam.

Bible References

Against

Acts 7:26
And the following day he shewed himself to them as they were fighting, and urged them to peace, saying, My friends, ye are brethren; wherefore do ye ill treat one another?
1 Corinthians 6:5
I speak to you to shame you. Is it so, that there is not among you a wise man? Not so much as one who is able to judge between one brother and another?
Hebrews 13:1
LET brotherly love continue.
1 Peter 3:8
Finally, be all like-minded, sympathizing, loving fraternally, compassionate, friendly hearted,
1 John 3:11
For this is the commandment which ye have heard from the beginning, that we should love one another.