Proverbs 3:30
Do not sue a man without cause, if he has done thee no harm.
Proverbs 17:14
To release the waters (to speak rashly) is the beginning of contention; therefore, leave off strife before it gets started.
Proverbs 18:6
A fool's lips enter into contention, and his mouth calls for strokes.
Proverbs 25:8-9
Do not go forth hastily to strive lest thou know not what to do in the end thereof when thy neighbour has put thee to shame.
Proverbs 29:22
The angry man stirs up strife, and the furious man abounds in transgression.
Matthew 5:39-41
but I say unto you, That ye resist not with evil, but whosoever shall smite thee on thy right cheek, turn to him the other also.
Romans 12:18-21
If it can be done, as much as is possible on your part, live in peace with all men.
1 Corinthians 6:6-8
But brother goes to judgment against brother, and that before the unbelievers.
2 Timothy 2:24
That the slave of the Lord should not be contentious, but be meek unto everyone, apt to teach, patient,