1 Corinthians 7:15

But if the unbelieving separateth himself, let him separate himself; a brother or a sister is not under bondage in such cases. But God hath called you to be in peace.

Romans 14:19

Let us then strive to promote peace, and the edification of each other.

1 Corinthians 14:33

for God is not a God of confusion, but of peace. As in all the churches of the saints,

Matthew 12:50

For whoever doeth the will of my Father who is in heaven, he is my brother, and sister, and mother.

Romans 12:18

If it be possible, as far as dependeth on you, be at peace with all men.

2 Corinthians 13:11

Finally, brethren, farewell! Be perfect, be of good comfort, be of one mind, live in peace; and the God of love and peace shall be with you.

Galatians 5:22

But the fruit of the Spirit is love, joy, peace, longsuffering, kindness, goodness, faithfulness,

Hebrews 12:14

Follow peace with all men, and holiness, without which no one will see the Lord;

James 2:15

If a brother or sister be naked, and destitute of daily food,

James 3:17-18

But the wisdom from above is first pure, then peaceable, gentle, easy to be entreated, full of mercy and good fruits, without partiality, without hypocrisy.

Treasury of Scripture Knowledge

Summary

But if the unbelieving depart, let him depart. A brother or a sister is not under bondage in such cases: but God hath called us to peace.

General references

Bible References

A brother

Matthew 12:50
For whoever doeth the will of my Father who is in heaven, he is my brother, and sister, and mother.
James 2:15
If a brother or sister be naked, and destitute of daily food,

But

1 Corinthians 14:33
for God is not a God of confusion, but of peace. As in all the churches of the saints,
Romans 12:18
If it be possible, as far as dependeth on you, be at peace with all men.
Romans 14:19
Let us then strive to promote peace, and the edification of each other.
2 Corinthians 13:11
Finally, brethren, farewell! Be perfect, be of good comfort, be of one mind, live in peace; and the God of love and peace shall be with you.
Galatians 5:22
But the fruit of the Spirit is love, joy, peace, longsuffering, kindness, goodness, faithfulness,
Hebrews 12:14
Follow peace with all men, and holiness, without which no one will see the Lord;
James 3:17
But the wisdom from above is first pure, then peaceable, gentle, easy to be entreated, full of mercy and good fruits, without partiality, without hypocrisy.

General references

Romans 12:18
If it be possible, as far as dependeth on you, be at peace with all men.