The letter warns against the infiltration of ungodly individuals who pervert grace, deny Christ, and sow division within the church, ultimately facing eternal condemnation. Drawing from Jude's admonition, the message highlights the dangers of relying on dreams, despising authority, and indulging in sensual desires, emphasizing the importance of contending for the faith, building oneself up in holiness, and showing mercy to those in doubt while maintaining a firm stance against sin. Ultimately, the letter underscores the certainty of judgment for the unrepentant and affirms God's power to preserve believers, urging a steadfast commitment to Christ and a hopeful anticipation of eternal life.