John D. Castelein Christians in the Christian Churches/Churches of Christ will find much in Dr. Nettles’s chapter to agree with: (1) the Scriptures are the primary source to resolve theological disagreements rather than denominational creeds (helpful as they may be at times); (2) all first-century Christian baptism was by immersion; (3) Christ’s church should not change this original mode of baptism; (4) God’s covenant with his new people in the NT