John Wesley expounds on the original, nature, property, and use of God's law, emphasizing that the moral law is eternal, holy, just, and good. He clarifies that the law is not merely the Jewish or ceremonial law but a divine standard that reveals sin and guides believers towards righteousness. Wesley highlights the law's role in convicting sinners, leading them to Christ, and maintaining their spiritual life. He encourages believers to cherish the law as a reflection of God's character and a means to grow closer to Him. Ultimately, the law serves as a guide for living a life that honors God and fulfills His commandments.