Bishop R. Dennis Campbell with the AOC has a clear and concise explanation of the purpose of the Law, and the redemptive-historical relation between Law and Gospel as set forth in Galatians. Below is the first paragraph of his insightful commentary for Monday’s BCP lectionary reading from Galatians 3:19—29. It is soundly anchored in the traditional Reformed understanding, while being nuanced and articulated in creative ways.
“Galatians 3:19 opens with an important question; what is the purpose of the law of God? Of course God's law has many purposes. The moral law, summarised in the Ten Commandments and the teaching of Christ, reveals the absolute perfection of God. It reveals the will of God for all mankind in everyday life. It shows mankind how to live in harmony with God and each other, thus it shows the way of peace and happiness (Ps. 19:7-14). The ceremonial law reveals that those who break the moral law are unacceptable to God unless something is done, apart from the moral law, to make them acceptable. The law shows, then, that, by our own actions, we are unclean and unfit for any kind of fellowship with God, and that we need to be made clean by something outside of the moral law, or we will remain forever unacceptable to God.” Continue reading here.