1 Corinthians 1:10

Now I beseech you, brethren, by the name of our Lord Jesus Christ, to maintain all the same doctrine, to suffer no divisions among you; but to be perfectly united in the same mind, and in the same judgment.

Philippians 2:2-5

compleat my joy, by pursuing the same view, living in mutual love, by being unanimous, and cultivating that harmony.

Hebrews 13:1

Let brotherly love still reign.

John 13:35

by this mutual love shall all men know that you are my disciples.

John 17:21

that they all may be one, as thou, father, art in me, and I in thee; that they also may be one in us: that the world may believe that thou hast sent me.

1 Peter 3:8

In a word, live all of you in perfect agreement and sympathy, be full of fraternal love, compassion, and affability.

Ephesians 4:3-6

endeavouring to preserve the spiritual union by your affectionate attachment to one another.

1 John 3:14-19

as for us, we know, that we have passed from a state of death to that of life, because we love our brethren: he that does not love his brother, is in a destructive state.

Treasury of Scripture Knowledge

Summary

{A Song of degrees of David.} Behold, how good and how pleasant it is for brethren to dwell together in unity!

General references

Bible References

How good

John 13:35
by this mutual love shall all men know that you are my disciples.
John 17:21
that they all may be one, as thou, father, art in me, and I in thee; that they also may be one in us: that the world may believe that thou hast sent me.
1 Corinthians 1:10
Now I beseech you, brethren, by the name of our Lord Jesus Christ, to maintain all the same doctrine, to suffer no divisions among you; but to be perfectly united in the same mind, and in the same judgment.
Ephesians 4:3
endeavouring to preserve the spiritual union by your affectionate attachment to one another.
Philippians 2:2
compleat my joy, by pursuing the same view, living in mutual love, by being unanimous, and cultivating that harmony.
Hebrews 13:1
Let brotherly love still reign.
1 Peter 3:8
In a word, live all of you in perfect agreement and sympathy, be full of fraternal love, compassion, and affability.
1 John 3:14
as for us, we know, that we have passed from a state of death to that of life, because we love our brethren: he that does not love his brother, is in a destructive state.

General references

Mark 3:25
if a family be divided against it self, it is impossible for it to subsist.