This article argues for the necessity of believing in Jesus Christ, emphasizing that acknowledging him as the Son of God inherently acknowledges God’s existence. It highlights key moments from Jesus’ life, such as the resurrection of Lazarus, to demonstrate his divine authority and the miraculous evidence witnessed by contemporaries. These experiences led to transformative beliefs and lifestyle changes among his followers, as documented in the New Testament. The text underscores the commitment of early Christians, who risked their lives for their faith. Ultimately, it calls for believers to spread the message of Jesus’ sacrifice and the promise of redemption, urging faith in Jesus is the only path to salvation.