The sermon emphasizes the importance of remembering God's past faithfulness as a foundation for facing future challenges, urging listeners to seek Christ as the central focus of Scripture and the key to enduring trials. Drawing from Joshua's final address, the message highlights the necessity of clinging to God, avoiding idolatry and disobedience, and recognizing that true stability and guidance come not from self-reliance but from a steadfast commitment to Christ, ultimately offering a call to continual reliance on divine grace and a reminder that God's love and provision remain constant.