Why is belief in the resurrection important for Christians?

The resurrection of Christ is critical to the Christian faith as it serves as the foundation of the hope for believers' own resurrection. 1 Corinthians 15:20-22 states, 'But now is Christ risen from the dead, and become the firstfruits of them that slept. For since by man came death, by man came also the resurrection of the dead.' This passage illustrates that Jesus' resurrection is not an isolated event; it guarantees the future resurrection of all who are united with Him. Moreover, it validates Jesus' identity as the Son of God and the Savior of mankind, fulfilling the promises made in Scripture. Without belief in the resurrection, as stated in Romans 10:9, one cannot be saved, making it paramount to the Christian doctrine.