George Warnock emphasizes God's sovereign plan in raising David as a new king-priest after Saul's failure, illustrating how God fulfills His purposes despite human shortcomings. He draws parallels between the anointing of David and the establishment of a royal priesthood, highlighting David's journey through trials and his unwavering faith in God's promises. Warnock encourages believers to adopt David's spirit of mercy and patience, trusting in God's timing and sovereignty as they navigate their own challenges. The sermon underscores the importance of surrendering to God's will and the transformative power of waiting on Him.