The sermon centers on the profound truth that true greatness lies not in power, victory, or achievement, but in being a man after God's own heart—a life defined by intimate communion with God's will and character. Drawing from the biblical portrait of David, it emphasizes that God's approval of David as 'a man after mine own heart' was not based on his accomplishments, but on his consistent pursuit of God's heartbeat from youth onward, even in moments of trial, temptation, and personal failure. The preacher illustrates this through David's integrity in sparing Saul, his mercy toward Mephibosheth, his response to Shimei's cursing, and his deep spiritual sensitivity, all rooted in a heart that sought God's perspective above all else. The message calls believers to move beyond mere doctrine and religious practice to a deeper, personal encounter with God's heart, urging them to listen for His heartbeat in Scripture, prayer, and daily decisions. Ultimately, the sermon invites listeners—especially young people and those estranged from God—to surrender their hearts, not to achieve greatness, but to become vessels of God's grace, love, and peace, just as David was.