The sermon explores the nature of faith through the accounts of a leper and a Roman centurion seeking healing from Jesus, highlighting the significance of humility and recognizing one's unworthiness before God. Drawing on Old Testament prophecies concerning the gathering of Gentiles, the message emphasizes the centurion's remarkable faith, demonstrated not through personal presence but through acknowledging Jesus' authority and power to heal with a word. The sermon underscores the importance of exercising faith through obedience and recognizing that true faith, like that of the centurion, transcends cultural and religious barriers, ultimately leading to reconciliation and salvation through the sacrifice of Christ.