L09–III. 2., 3. Law shows our sin, even for true Christians

      This continues from Part L08 (Table of Contents in Part L01) in a series on the instruction of the Law by C. F. W. Walther and Martin Luther. — In this segment, Walther addresses two more reasons why the Law must be preached. — From Lehre und Wehre, vol. 7 (Dec. 1861), p. 364 ff.:

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III. Why must the Law also be proclaimed in the New Testament and also to Christians?

      2. The second reason why the Law must also be preached in the New Testament is that only those who recognize their sins can come to faith in Christ and to knowledge of his reconciling and redeeming work and suffering; but knowledge of sin comes through the Law alone.

What Luther says on the preaching of the Law to show our sins:

• “If a person is to become spiritual and come to faith, he must first be under the Law; therefore, without the Law no one recognizes himself for what he lacks; but he who does not know himself does not seek grace. But when the Law comes, it demands so much that man feels and must confess that he is not able to fulfill it; he must then despair of himself and, humbled, sigh for God's grace.”
• “For who can know what Christ suffered for us and why, if no one knows what sin or Law is? Therefore the Law must be preached where Christ is to be preached.”

Walther continues:

      3. Finally, the Law must also be preached to those who have already become true Christians, for the reason that even the believing, enlightened, born-again Christian, who is of course willing to do all good, is not yet completely enlightened and renewed, but has the old Adam, that is, flesh and blood, and therefore still needs the teaching of the Law, even terror and compulsion; as we see then that the law is also preached to Christians through the whole of Holy Scripture.

What Luther says about preaching the law to true Christians:

• “But the matter itself and experience testify that even the righteous or faithful are subjected and delivered to death daily. Therefore, as far as they are under death, they must also be under the Law and sin. It is especially coarse and inexperienced people and harmful deceivers of consciences who want to take the Law away from the church.”
• “Therefore the Law (as well as the gospel) must be preached without distinction, both to the righteous, or believers, and to the ungodly; … to the godly, that they may be reminded thereby to crucify and mortify their flesh, together with lusts and vices, so that they may not be secure, Gal. 5:24, for security takes away both faith and the fear of God, and makes the latter worse than the former was.”
• “But outwardly the flesh does not yet want to do so; all kinds of filth and evil lust, anxiety for food, fear of death, avarice, anger and hatred still cling to it: the filth always remains next to the faith that it may beat and fight with it.”
• “So divide a Christian into two parts: That he is both righteous and unrighteous. The Holy Spirit dwells in the heart, but not in the flesh, where the devil dwells with his seed”

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In the next Part L10, Walther addresses the point that makes him and Luther the perfect teachers to follow on the preaching of the Law. But first, in the next Part L09a, we call out past LCMS theologians who crassly criticized Walther… on his Pietism?