Biblical explanation
Revelation 21 describes a "new heaven and a new earth" and then says: "And I John saw the holy city, new Jerusalem, coming down from God out of heaven." Revelation 21:2 The city is associated with the bride of the Lamb and with God's people. God Himself will dwell with humanity: "Behold, the tabernacle of God is with men, and he will dwell with them." Revelation 21:3 There will be no death, sorrow, crying, or pain. Revelation describes the city with twelve gates, twelve foundations, streets of gold, precious stones, and the glory of God. There is no temple because "the Lord God Almighty and the Lamb are the temple of it." There is also no need for the sun or moon because God's glory illuminates the city. The New Jerusalem therefore represents the final restoration of God's purpose for humanity: God dwelling permanently with His people in a world where sin, death, and suffering no longer exist. Scripture clearly teaches that the New Jerusalem is a real heavenly city that comes down to the renewed earth. Revelation also uses symbolic imagery, so not every feature necessarily needs to be interpreted as ordinary earthly architecture.
Key takeaway
Discipleship applies the gospel to the whole life: body, mind, relationships, work, finances, and worship. Healthy choices and faithful habits do not earn salvation; they are grateful stewardship of the life God has entrusted to us and practical ways to serve others.