A.W. Tozer emphasizes that the birth of Christ signifies the reality of God and the spiritual essence of human life. The Advent reveals a divine message from beyond our earthly existence, as the shepherds experience a blend of heaven and earth, affirming that God is not just a distant hope but a tangible reality. Furthermore, the Incarnation of Christ confirms humanity's divine origin, illustrating that human life is fundamentally spiritual and created in the image of God. This profound event answers critical moral questions about our existence and relationship with the divine.