Samuel Logan Brengle emphasizes King David's profound engagement with the Scriptures, illustrating how, despite facing adversaries, David found wisdom, joy, hope, and comfort through meditation on God's laws. He highlights that David's Bible, though limited, provided him with insights and strength that surpassed his enemies and teachers. Brengle encourages believers to seek the same depth of understanding and joy from the Word of God, which serves as a source of hope and comfort in times of trouble. He draws parallels between David's experiences and the importance of faith in God's promises, urging the congregation to cherish the Scriptures as a vital resource for spiritual growth.