John Gills Exposition of the Bible Commentary - Proverbs 21:7
The robbery of the wicked shall destroy them ,.... Or cut them, so Ben Melech: dissect or "saw" F19 יגורם "dissecabit eos", Junius & Tremellius, Piscator; "serrabit eos", Aben Ezra & Kimchi in Mercer. Michaelis; "gravem ipsis uterum trahit", Schultens. them; cut them to the heart; that is, when the sins they have been guilty of, in robbing God of his due, or doing injury to men in their properties, cheating them or stealing from them, are set home on their consciences, they... read more
Matthew Henry's Complete Commentary - Proverbs 21:7
See here, 1. The nature of injustice. Getting money by lying (Prov. 21:6) is no better than downright robbery. Cheating is stealing; you might as well pick a man's pocket as impose upon him by a lie in making a bargain, which he had no fence against but by not believing you; and it will be no excuse from the guilt of robbery to say that he might choose whether he would believe you, for that is a debt we should owe to all men. 2. The cause of injustice. Men refuse to do judgment; they will not... read more