Revelation 22:7

And listen, I [i.e., Christ] am coming quickly! The person who obeys the words of the prophecy of this book is blessed."

Revelation 1:3

The person who reads this [book] and those who listen to the words of this prophecy and who obey what is written in it are blessed, for the time [when some of it will occur] is near. [See verse 1].

Revelation 3:11

I am coming soon [or, suddenly. See 2:16, 25; 3:3]. Hold on firmly to what you have [i.e., opportunity, obedience, steadfastness, etc.] so that no one takes away your crown [See 2:10].

Revelation 22:12

"Listen," [says Jesus], "I am coming quickly! And my reward is with me to pay [back] every person for what he has done.

Revelation 22:20

The One who testifies about these things [i.e., Jesus] says, "Yes, I am coming soon." May this be so. Come [ahead] Lord Jesus!

Revelation 22:9-10

But he said to me, "Do not do that; I am [only] a fellow-servant with you and with your brothers, the prophets, and with those who obey the words of this book. You should worship God."

Revelation 16:15

[Note: At this point the Lord's voice breaks into John's vision]. ("Look, I am coming like a thief. That person is happy who stays alert and is dressed [properly], so he does not appear naked and have to be shamefully exposed").

Treasury of Scripture Knowledge

Summary

Behold, I come quickly: blessed is he that keepeth the sayings of the prophecy of this book.

Bible References

I come

Revelation 22:10
Then the angel said to me, "Do not seal up the words of the prophecy of this book, for the time is near [i.e., for the events of its prophecies to begin to happen].
Revelation 3:11
I am coming soon [or, suddenly. See 2:16, 25; 3:3]. Hold on firmly to what you have [i.e., opportunity, obedience, steadfastness, etc.] so that no one takes away your crown [See 2:10].