Prov 22:8

“"He who sows iniquity," etc. It is certain that he who teaches iniquity either by word or example, will receive vengeance; but because it follows, "And the rod of his anger will be finished," he seems to be speaking particularly of that iniquity which is perpetrated with a harsh and impious mind, such as practicing robbery, oppressing men with servitude, tearing them apart with tortures, killing them by death, taking a widow's ox as a pledge, refusing to avenge her from an adversary when possible. For such a one, by right, the rod of his anger will be finished; because, as the Lord says, "All who take the sword will perish by the sword" (Matt. XXVI, 52), that is, those who unjustly rage against others, procure their own destruction by the same cruelty. But since he spoke of the wicked, he follows contrarily of the pious:”