The sermon argues that the church possesses Old Testament roots while finding its formal manifestation in the New Testament, thereby refuting extremes that deny either connection or distinction. It establishes continuity by demonstrating how Old Covenant Israel served as a type of the church and how the New Testament assembly continues true Israel through faith rather than physical lineage. Key passages such as Romans 11, Hebrews 12, Revelation 21, and Galatians 6 are analyzed to show that believers from both testaments comprise a single people of God united in Christ. The preacher highlights five distinct differences between the covenants, including Gentile inclusion, fuller revelation, new ordinances, spiritual emphasis, and saving membership. Ultimately, the message affirms that the church is the fulfillment of typical Israel and the continuation of true Israel, grounded in the grace of the New Covenant.