Matthew 5:39-41

but I say unto you, Resist not an injurious act; but whosoever shall smite thee on the right cheek, turn to him also the other.

Romans 12:18-21

If possible, as far as you can, be at peace with all men.

1 Corinthians 6:6-8

But brother goes to law with brother, and this before the unbelievers.

2 Timothy 2:24

And a servant of the Lord ought not to quarrel; but to be gentle to all men, apt to teach, forbearing,

Treasury of Scripture Knowledge

Summary

Strive not with a man without cause, if he have done thee no harm.

Bible References

General references

Matthew 5:39
but I say unto you, Resist not an injurious act; but whosoever shall smite thee on the right cheek, turn to him also the other.
Romans 12:18
If possible, as far as you can, be at peace with all men.
1 Corinthians 6:6
But brother goes to law with brother, and this before the unbelievers.
2 Timothy 2:24
And a servant of the Lord ought not to quarrel; but to be gentle to all men, apt to teach, forbearing,