T. Austin-Sparks emphasizes the profound significance of God's Name, which encapsulates His character, works, and eternal purpose. He explains that the Name of the Lord is not merely a title but a representation of who God is, and it carries immense weight in the life of believers. Sparks highlights God's jealousy for His Name, illustrating how it is central to His actions and the trust placed in His people to honor it. The sermon calls Christians to recognize their role as custodians of God's Name, urging them to live in a manner that reflects His character and purpose. Ultimately, the Name of the Lord serves as a source of strength and assurance for believers, reminding them of God's unwavering commitment to His reputation.