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 d...