This sermon explores the radical transformation of Jesus' disciples from uncertain followers under the Old Covenant to fully committed apostles empowered by the New Covenant through the Holy Spirit. While the Old Covenant required external obedience to the law, the New Covenant circumcises the heart, enabling believers to love God not for what they receive, but for who He is. We are challenged to examine our relationship with God through three questions: Do you love Him? Do you obey Him? Do you live for Him? The disciples lives illustrate how a complete heart transformation is made possible only through Christ's blood and the indwelling Holy Spirit.