16. Why are the closing chapters of Revelation a particular cause for happiness?

¹⁶ Happy readers of the book of Revelation can only thrill with joy as they read the closing chapters that describe our glorious hope​—a new heaven and a new earth, that is, a righteous heavenly Kingdom government ruling over a new, cleansed human society, all to the praise of “Jehovah God the Almighty.” (Revelation 21:22) As the wonderful series of visions closed, the angelic messenger said to John: “These words are faithful and true; yes, Jehovah the God of the inspired expressions of the prophets sent his angel forth to show his slaves the things that must shortly take place. And, look! I am coming quickly. Happy is anyone observing the words of the prophecy of this scroll.”​—Revelation 22:6, 7.

18, 19. (a) Why must Jesus yet come, and in what hope expressed by John do we share? (b) For what purpose is Jehovah yet to “come”?

¹⁸ In the book of Revelation, Jesus announces several times: “I am coming quickly.” (Revelation 2:16; 3:11; 22:7, 20a) He must yet come to execute judgment on Babylon the Great, Satan’s political system, and on all humans who refuse to submit to Jehovah’s sovereignty, as now expressed by the Messianic Kingdom. We join our voices with that of the apostle John, who exclaimed: “Amen! Come, Lord Jesus.”​—Revelation 22:20b.