Why is it important for Christians to understand Christ's faithfulness?

For Christians, grasping the faithfulness of Christ is foundational to our faith. His unwavering obedience and dedication to His mission provide a surety that our salvation rests entirely on His righteousness, not our own. As the perfect servant, Christ accomplished all that was necessary to please the Father and secure eternal life for His people. This understanding fosters gratitude and cultivates a life of faith that acknowledges that our hope and justification are solely rooted in what Christ has done.