Summary
The sermon's main theme is the church's mission to expand God's kingdom on earth, drawing on Jesus' prayer for God's will to be done. Key scriptures include Hebrews chapter 12, contrasting the old covenant with the new covenant in Jesus Christ. The practical takeaway is to align our lives with God's mission, recognizing that the expansion of His kingdom requires resources and selfless effort, and to live with gratitude in the unshakable kingdom we have received.