Why is the covenant between Jonathan and David important for Christians?

Jonathan and David's covenant is significant because it symbolizes the unbreakable bond of loyalty and love that points to the greater covenant established by Christ. In Hebrews 8, the new covenant is described as superior, giving assurance that God has written His laws on the hearts of His people and has chosen to be merciful to their unrighteousness. This new covenant underscores God's unwavering commitment to His elect, providing spiritual security and fellowship that none can break.