Saucy writes from the conviction that understanding the Holy Spirit is important for understanding the aims and means of the kingdom of God in the present age. His starting point is that the Holy Spirit is directly related to the manifestation of the kingdom in this world.

What is the nature of the relationship between Christ and the church? What is the role of the church in salvation? In this article the author reflects on the significance of the image used for the church as the body of Christ in 1 Corinthians 12:27 for our understanding of the functions of the church as prophet, priest, and king.