Why is Christ's atonement significant for believers?

The atonement of Christ holds immense significance for believers as it secures our forgiveness and reconciliation with God. In Matthew 1:21, it states that Jesus will save His people from their sins, highlighting the purpose of His death. The complete nature of His sacrifice ensures that all sins are forgiven, aligning with the teaching found in Colossians 2:13-14, where it affirms that He canceled the debt that stood against us. Furthermore, the propitiation He accomplished satisfies divine justice, allowing believers to approach God without fear of condemnation (Romans 5:1). Therefore, the atonement is central to the believer's faith, as it assures them of their secure and everlasting relationship with God.