T. Austin-Sparks emphasizes that Jesus Christ is ordained by God as the ultimate Judge and the 'Horizon' of all judgment, meaning that all things are determined within Him. He illustrates the Christian journey as a progression from the safety of the shore to the depths of spiritual understanding, where true fulfillment lies. Sparks highlights that the Christian life is serious and requires a commitment to deeper truths, as the Holy Spirit leads believers beyond their comfort zones. He explains that the Bible provides the only satisfactory answers to life's complexities, focusing on God's eternal intention, the historic rift caused by sin, and the significance of being 'in Christ.' Ultimately, he asserts that Christ is the defining criterion for all things, and through Him, believers find their true purpose and reconciliation with God.