How do we know the law of the Lord is important?

The importance of the law of the Lord is expressed in Psalm 119, where it acts as a guiding principle for righteous living. David communicates that those who keep the law and seek God with their whole heart are pronounced blessed. This highlights the divine principles embedded in God's word, which serve as a lamp unto our feet and a light unto our path (Psalm 119:105). The law is not merely a set of rules; it embodies the character and nature of God, reflecting His holiness and righteousness.

Reformed theology teaches that the law guides believers in their moral decisions, demonstrating how they can live in a manner that pleases God. It reveals God’s perfect will and sets the standard for human conduct. While believers are saved by grace alone, the law remains a vital aspect of sanctification, helping them to grow in holiness. Therefore, its significance lies not only in moral instruction but also in pointing believers towards their need for Christ, who fulfills the law on their behalf.