Matthew 18:15-18

If your brother sins [against you], go and reprove him, as between you and him alone. If he listens to you, then you have won your brother over;

Romans 12:18

be at peace with all men, if possible, so far as that depends on you.

Treasury of Scripture Knowledge

Summary

And the tribes of Israel sent men through all the tribe of Benjamin, saying, What wickedness is this that is done among you?

Bible References

Sent men

Matthew 18:15
If your brother sins [against you], go and reprove him, as between you and him alone. If he listens to you, then you have won your brother over;
Romans 12:18
be at peace with all men, if possible, so far as that depends on you.