F.B. Meyer emphasizes the confrontation between the Ark of the Lord and the idol Dagon, illustrating the supremacy of Jehovah over false gods. The fall of Dagon symbolizes the inevitable defeat of all idols when faced with the true power of God. Meyer encourages believers to invite the presence of God into their lives, assuring that the idols that have dominated them will fall away. This message serves as a reminder of God's ability to defend His greatness and the transformative power of allowing Christ to take full possession of one's heart. Ultimately, the sermon calls for a personal encounter with God that leads to the destruction of all that opposes Him.