Chuck Smith emphasizes the importance of remembering God's benefits as outlined in Psalms 103:1, urging believers not to forget His past provisions, especially during trials. He highlights that God's faithfulness in the past serves as a promise for the future, reminding us of His forgiveness, healing, redemption, and loving kindness. Smith encourages Christians to recognize that these benefits are unearned and stem from God's grace, not our merit, and that His mercy is vast and understanding of our human frailty. The sermon calls for gratitude and acknowledgment of God's continual support and blessings in our lives.