Zac Poonen emphasizes that debts extend beyond financial obligations, highlighting the importance of honoring and respecting others as lifelong debts we owe. He discusses the responsibilities children have towards their parents, the mutual respect and love required in marriage, and the obligation to honor all individuals regardless of their status. Poonen also stresses the debt of gratitude owed to spiritual leaders who guide and bless us, urging believers to appreciate their contributions as much as they do for their physical health. Ultimately, he calls for a life free from all forms of debt, encouraging a mindset of gratitude and respect.