Although no man, since the fall, can attain to righteousness and life by the moral law:1 yet there is great use thereof, as well common to all men, as peculiar either to the unregenerate, or the regenerate.2
3 For what the law could not do, in that it was weak through the flesh, God sending his own Son in the likeness of sinful flesh, and for sin, condemned sin in the flesh:
Galatians 2:16
16 Knowing that a man is not justified by the works of the law, but by the faith of Jesus Christ, even we have believed in Jesus Christ, that we might be justified by the faith of Christ, and not by the works of the law: for by the works of the law shall no flesh be justified.
2)
1 Timothy 1:8
8 But we know that the law is good, if a man use it lawfully;