Mike Bickle emphasizes the significance of understanding the New Jerusalem and the Millennial Kingdom as a motivation for righteousness. He explains that the Bible contains extensive prophecies about the second coming of Jesus and His reign on earth, which are crucial for believers to grasp in order to cultivate a life of holiness. Bickle highlights that the knowledge of these truths can provide peace and steadfastness amidst the chaos of the world, urging believers to look forward to the promises of God. He stresses the importance of being prepared and worthy for the coming events, as the church's readiness can hasten the day of the Lord. Ultimately, Bickle encourages a deep engagement with these eschatological truths to foster a vibrant faith and a commitment to righteousness.