The sermon explores the profound impact of habit, particularly the practice of prayerful Bible reading, on shaping a life of faith and service, drawing heavily on the examples of George Whitefield, John Newton, and George Mueller himself. It emphasizes that consistent engagement with Scripture, approached with reverence and a spirit of prayer, cultivates a deeper understanding of God's Will, fosters self-examination, and ultimately leads to a life characterized by fervent prayer and confident reliance on Divine provision. The speaker underscores the importance of arguing with God using His own promises, viewing prayer as a channel of Divine communication, and trusting in His faithfulness to fulfill His Word, even amidst challenging circumstances, ultimately demonstrating that a life devoted to God's Word and prayer is a life transformed by His grace.