Chuck Smith discusses the journey of the Israelites as they stand at the brink of the Jordan River, reflecting on the uncertainty of their future while also recognizing the certainties that come from their past experiences with God. He emphasizes the fascination and fear that accompany the unknown, encouraging believers to sanctify themselves and trust in God's guidance for the future. Smith reassures that while they have not passed this way before, God's faithfulness in the past provides a foundation for confidence in the present and future. He highlights the importance of faith as they transition from reliance on physical signs to a walk of faith, trusting in God's new provisions and leadership.