This is because no human being can be considered right with God by [obeying] the requirements of a law. [Note: It is difficult to determine the exact sense in which "law" is used in these verses. It may be law generally, or the law of Moses specifically. See Bruce, pages 52-58]. For the knowledge of what sin is comes from the law of Moses.

But since we have special gifts which differ in accordance with the diversified work graciously entrusted to us, if it is prophecy, let the prophet speak in exact proportion to his faith;

Never revenge yourselves, beloved, but let the Wrath of God have its way; for it is written, Vengeance is mine, I will exact a requital ??the Lord has said it. No,