The portrayal of the new covenant, new temple, new Israel, and new Jerusalem affirms the future fulfillment of the main prophetic themes of the OT and NT, which all find their ultimate climax in the new creation…
The vision of the future perfected people of God in unending fellowship with his glorious presence is intended to encourage and motivate the readers to persevere through temptations that would lead them into compromise. The prospect of final victory should provide impetus to win partial victory now by not compromising.