The Law and New Covenant Theology. Definition of New Covenant Theology. The law written on the heart of Adam Question: How can men sin, let alone perish, without the law? Answer: (A) The reality of their confrontation with the Law. (B) The means of their confrontation. The identity of the law is made clear. The law in view is substantially the same as the Ten Commandments. The Ten Commandments were in effect before Sinai. The Ten Commandments remain in effect in the New Testament. The Ten Commandments do not exhaust the moral law.