Strive not; either by words before the magistrate; or otherwise by thine actions. Without cause; without just and necessary cause. If he have done thee no harm; whereby he clearly implies that in case of injury a man may by all lawful means defend himself.
Related Commentaries of Proverbs 3:30
Proverbs 3:30
30 Strive not with a man without cause, if he have done thee no harm.