Why must we trust in the Son of Man for salvation?

The necessity of trusting in the Son of Man for salvation stems from the reality of sin and the judgment it brings. According to John 3:14-16, just as the Israelites looked to the serpent in the wilderness for physical healing, individuals today must look to Jesus, the Son of Man, for spiritual healing and eternal life. His death on the cross was the atoning sacrifice that addressed the guilt and condemnation of sin, making Him the only mediator between God and man. The assertion that one must trust Him or face eternal separation from God reinforces the urgency of the Gospel message. Belief in the Son of Man is not merely an option; it is the only means by which one can be reconciled to God and gain entry into His everlasting kingdom.