The sermon defines Christianity not by intellectual assent or external markers but by the spiritual rebirth that creates an innate instinct to worship God. It argues that true worship is a continuous, heart-centered response to God's character, grounded in spirit and truth rather than musical performance or religious ritual. Drawing from John 4 and Malachi 1, the text contrasts genuine adoration with the hollow, indifferent practices of Israel, emphasizing that believers must offer their best to a holy God. The preacher asserts that corporate gathering is the highest privilege for the redeemed, designed to exalt Christ and prepare the church for His return. Ultimately, authentic worship flows from a deep knowledge of Scripture and a reverent fear of God, rejecting emotionalism in favor of spiritual devotion.