Why is resting in Christ's work important for Christians?

Resting in the completed work of Christ is vital for Christians as it reflects our understanding of salvation being by grace alone, through faith alone, in Christ alone. The exhaustion of trying to earn one’s salvation through personal works leads to despair; thus, resting means we trust wholly in what Christ has accomplished. Hebrews 4:10 states, 'For he that is entered into his rest, he also has ceased from his own works, as God did from His.' This rest signifies not a pause in our efforts but rather a complete assurance that our identity and security are anchored in Christ. It frees us from legalism and helps us to live out our faith in grateful obedience rather than in fear and obligation.