To many people, the law stands in opposition to the gospel. The book of Deuteronomy will not allow this reading. It is the Old Testament’s most systematic and sustained presentation of theology. Deuteronomy—Moses’ Gospel—begins and ends with the gracious work of God for undeserving subjects. Consisting largely of Moses’ farewell sermons, Israel’s first pastor calls his congregation to a life of faith and godliness in response to God’s great mercy.