This introduction indicates the great importance of a good grasp of the kingdom of God—it is indispensable for a proper understanding of Jesus Christ and the redemption he accomplished. A good understanding of the kingdom illuminates many other aspects of theology. The introduction also reflects on divergent views of the kingdom.
This is a book about the unity of the church of Christ, and chapter 1 is a short theology of the unity of the church. This unity is a demonstration of God’s purpose of cosmic unity (Colossians 1:15-20). The church further displays the unity and uniqueness of God; the unity of the church reflects the glory of God.