Why is it important for Christians to have a right understanding of grace?

Understanding grace is vital for Christians to ensure their confidence is placed solely in Christ and His finished work. The letter to the Hebrews warns against relying on works or performance to establish one's assurance, as this can lead to a false assurance that is ultimately destructive (Hebrews 10:26-31). When believers confuse grace with human effort, they risk trampling on the grace of God by attempting to justify themselves before God, rather than resting in the assurance that comes from Christ's sacrifice. True grace transforms our lives and leads to a natural response of love and good works that flow from our identity in Christ, not as a means of securing our salvation but as evidence of it.