The central message of this sermon is that God's presence with us is a fundamental truth that can provide comfort, hope, and strength in uncertain times. Despite the challenges and anxieties associated with the transition from the old year to the new millennium, Jesus' promise "I am with you always" serves as a reminder that God is constantly present with his followers, regardless of their circumstances or flaws. The sermon advances the belief that God's presence is not limited to specific times or occasions, but rather is an ongoing reality that can be experienced and relied upon by those who follow him. The takeaway for listeners is that they can have confidence in God's presence with them, even when faced with uncertainty and adversity, because of Jesus' promise and his own identity as the holy and loving God who comes to save sinners. This message encourages believers to trust in God's unwavering presence and love, rather than relying solely on human relationships or circumstances for support.