The Old Testament law was given as a means of sanctifying and blessing God s people. It was never meant as a means of justification for only Christ can justify the laws demands. By them you will live long in the land you are crossing the Jordan to possess. The law is indispensable as a means of sanctification. If you are saved, you know you needed to be saved because you broke Gods law.
Sin is a transgression of the law.
Although you may be saved from the just demands of the law, you must seek to do God's will to allow God to sanctify your life in Christ. But we ought always to thank God for you, brothers loved by the Lord, because from the beginning God chose you to be saved through the sanctifying work of the Spirit and through belief in the truth. Finally, brothers, we instructed you how to live in order to please God, as in fact you are living. Now we ask you and urge you in the Lord Jesus to do this more and more. For you know what instructions we gave you by the authority of the Lord Jesus .