Why is understanding the distinction between the Old and New Covenant important for Christians?

Recognizing the differences between the Old and New Covenants is fundamental for Christians because it influences both their understanding of God's character and the nature of their salvation. The Old Covenant under the law emphasizes human effort, obligation, and the constant need for sacrifices, which ultimately cannot grant salvation. However, the New Covenant reveals God’s grace through Jesus Christ, eliminating the burden of the law and offering redemption freely to those who believe. This truth instills hope, assurance, and joy in believers as they rest in Christ's complete and perfect sacrifice, knowing they do not have to do anything to earn favor with God. Understanding these covenants allows Christians to live in the freedom of grace rather than the bondage of works.