Franklin M. Segler and Randall Bradley, in their excellent study on worship, Christian Worship, wrote: "As we believe, so we worship ... Worship without theology is sentimental and weak; theology without worship is cold and dead. Worship and theology together combine to motivate a strong Christian faith and to empower a fruitful Christian life. Worship should be regulated and determined by doctrine." With this thought in mind, Ian Fair has explored the relationship of inductive biblical theology and contemporary worship.