How do we know that belief in Jesus is essential for salvation?

The necessity of believing in Jesus for salvation is firmly rooted in Scripture. Acts 16:31 explicitly states that 'believe on the Lord Jesus Christ, and thou shalt be saved.' This belief is not merely intellectual assent; it requires a heartfelt trust and commitment to Jesus Christ as Lord and Savior. In John 3:18, we learn that those who believe in Him are not condemned, but those who do not believe are already condemned. Therefore, an authentic faith that acknowledges Jesus' redemptive work is essential for anyone seeking salvation, differentiating it from works-based righteousness that cannot save.