in Rom. 2:27, Rom. 2: 29 means the outward form. The "oldness of the letter" (7:6) is a phrase which denotes the old way of literal outward obedience to the law as a system of mere external rules of conduct. In 2-Cor 3:6, 2-Cor 3: "the letter" means the Mosaic law as a written law. (See WRITING.)