Revelation 21:5-6

 "And behold, I am coming quickly. 

Blessed is he who heeds the words of the prophecy of this book."     

Revelation 22:7  NASB

He who was seated on the throne said, "I am making everything new!" Then he said, "Write this down, for these words are trustworthy and true." He said to me: "It is done. I am the Alpha and the Omega, the Beginning and the End. To the thirsty I will give water without cost from the spring of the water of life." 

He who was seated on the throne said 
Revelation 4:9-11  Whenever the living creatures give glory, honor and thanks to him who sits on the throne and who lives for ever and ever, the twenty-four elders fall down before him who sits on the throne and worship him who lives for ever and ever. They lay their crowns before the throne and say: "You are worthy, our Lord and God, to receive glory and honor and power, for you created all things, and by your will they are created and have their being."
Revelation 20:11  Then I saw a great white throne and him who was seated on it. The earth and the heavens fled from his presence, and there was no place for them.

I am making everything new! 
Revelation 21:4  " 'He will wipe every tear from their eyes. There will be no more death' (Isaiah 25:8) or mourning or crying or pain, for the old order of things has passed away."

Write this down, for these words are trustworthy and true 
Revelation 19:9  Then the angel said to me, "Write this: Blessed are those who are invited to the wedding supper of the Lamb!" And he added, "These are the true words of God." 
Revelation 22:16  The angel said to me, "These words are trustworthy and true. The Lord, the God who inspires the prophets, sent his angel to show his servants the things that must soon take place."

He said to me: "It is done." 
Revelation 16:17  The seventh angel poured out his bowl into the air, and out of the temple came a loud voice from the throne, saying, "It is done!"

I am the Alpha and the Omega, the Beginning and the End 
Revelation 1:8  "I am the Alpha and the Omega," says the Lord God, "who is, and who was, and who is to come, the Almighty."
Revelation 22:13  "I am the Alpha and the Omega, the First and the Last, the Beginning and the End."

To the thirsty I will give water without cost 
Isaiah 55:1  "Come, all you who are thirsty, come to the water; and you who have no money, come, buy wine and milk without money and without cost."

from the springs of the water of life 
John 4:10  Jesus answered her, "If you knew the gift of God and who it is that asks you for a drink, you would have asked him and he would have given you living water."
Revelation 22:17  The Spirit and the bride say, "Come!" And let the one who hears say, "Come!" Let the one who is thirsty come; and let the one who wishes take the free gift of the water of life.

(parentheses are mine)

Scriptures taken from the Holy Bible, New International Version® NIV®, Copyright© 1973, 1978, 1984, 2011 by Biblica, Inc.® Used by permission. All rights reserved worldwide. 
Limited to 15 verses per post.