Erlo Stegen emphasizes the importance of honoring our vows to the Lord, warning that failing to keep our promises can lead to curses instead of blessings. He shares the story of Mandla, a young man who neglected his commitment to God and faced dire consequences, ultimately finding redemption only after confessing his sins. Stegen urges believers to remember that God holds us accountable for our promises, especially on Judgment Day, and encourages them to break any sinful vows made to the world. The sermon serves as a reminder that true blessings come from fulfilling our commitments to God.