Earlier I suggested that the moral law is the means God provides us for restoring our broken relationships with him and each other. Let’s explore the implications of this a little more. One consequence is that the moral law is not an end in itself. It is the route we take back to God, but it isn’t the destination.
What does this mean?
One common account of morality, derived from Kant, stresses the opposition between duty and inclination. Duty is what I ought to do in a given situation. Inclination is what I’d like to do if I had my druthers. Only those actions that involve choosing duty over inclination have moral worth, according to this view.
I think the conflict between duty and inclination certainly describes a common feature of our moral experience. However, according to Christianity, this is not our natural state. Ideally we would be inclined to do the good. The fact that there is a fissure in our moral selves indicates that we’re in need of healing. This fissure is the symptom of our sin, our alienation from God.
Because of sin, we need an external standard to direct us toward our true good. This is one of the functions of the law. It shows us where we need to resist inclination for the sake of duty.* But Christianity teaches that this shouldn’t be our permanent state.
A saint could be defined as someone in whom the conflict between duty and inclination has been fully healed. This is what Christians mean by sanctification. If union with God is the goal of human life, the saint is someone who has traveled so far down that road that he spontaneously does what the moral law requires. He has no further need of it. In heaven there will be no law because all the saints will spontaneously love God and one another without needing to be directed by the law.
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*We also, according to Christianity, need God’s grace in order to resist disordered inclinations and do what is right.