Deuteronomy 10:12–22 presents what Moses identifies as the central demand of the covenant: to fear the Lord, walk in all his ways, love him, and serve him with all the heart and soul. This exposition traces that demand through the covenant renewal of Deuteronomy 10:1–11, its echoes in the prophets and in Christ's own words, and the sovereign grace that alone makes obedience possible. Main points: - The covenant renewal — Deuteronomy 10:1–11 - The central demand — Deuteronomy 10:12–13 - The demand echoed in the prophets and in Matthew 23 - The goodness and mercy of God in election — Deuteronomy 10:14–15 - The call to heart circumcision and the New Covenant promise — Deuteronomy 10:16 and 30:6 - The perfections of God and the one only living and true God — Deuteronomy 10:17–18 - Love the stranger; hold fast to God — Deuteronomy 10:19–22 - Christ, the true Israel, and the New Covenant Scripture references: - Genesis 13; 18:19 - Exodus 23; 24; 32; 34 - Leviticus 19:34 - Deuteronomy 5:29; 6:4, 24; 7:6-8; 8; 9:4, 6, 20; 10:1-22; 30:6 - Proverbs 21:3 - Hosea 12:6 - Micah 6:1-8 - Zechariah 7:8-10 - Matthew 23:23 - Romans 2:28-29 - Galatians 4:8 - Ephesians 1:4 - Philippians 3:1 - Colossians 2:11-12 - 1 John 5:3