In this sermon, David’s prayer after receiving God’s covenant promises shows believers how to respond rightly to the grace of God. After God promises to establish David’s house forever, David enters the Lord’s presence, sits in humble astonishment, and asks, “Who am I, O Lord God?” His response teaches that theology should not remain merely intellectual; it should lead to worship, humility, praise, and prayer. Christians are called to ponder God’s covenant love, remembering that salvation is entirely by grace and fulfilled ultimately in Jesus Christ, the greater Son of David. David then praises God for His greatness, His uniqueness, and His historic acts of redemption, especially His deliverance of Israel from Egypt. Finally, David prays God’s own promises back to Him, asking the Lord to do exactly what He has spoken. The sermon urges believers to fight spiritual amnesia by fixing their minds on God’s Word, speaking specific praise, and praying boldly yet humbly. Because God has kept His promises in Christ, believers can trust Him, worship Him, and stand confidently on His Word.