22:1 - And he showed me a pure river of water of life, clear as crystal, proceeding out of the throne of God and of the Lamb.

Tertullian An Answer to the Jews
"because these two evils hath My People done; Me," He says, "they have quite forsaken, the fount of water of life,[285]

22:2 - In the midst of the street of it, and on either side of the river, was there the tree of life, which bare twelve manner of fruits, and yielded her fruit every month: and the leaves of the tree were for the healing of the nations.

Shepherd of Hermas Vision Fourth
proceeded. But the size of that beast was about a hundred feet, and it had a head like an urn.[7]
Acts and Martyrdom of St. Matthew the Apostle
and Andrew founded; and as soon as thou hast planted it, it shall be a tree, great and lofty and with many branches, and its branches shall extend to thirty cubits, and of each single branch the fruit shall be different both to the sight and the eating,[4]

22:7 - Behold, I come quickly: blessed is he that keeps the sayings of the prophecy of this book.

Dionysius Extant Fragments Part I
saw these things and heard them."[20]

22:9 - Then says he unto me, See you do it not: for I am your fellow servant, and of your brethren the prophets, and of them which keep the sayings of this book: worship God.

Cyprian Treatise IX On the Advantage of Patience
and says: "See thou do it not; for I am thy fellow-servant, and of thy brethren. Worship Jesus the Lord."[57]

22:10 - And he says unto me, Seal not the sayings of the prophecy of this book: for the time is at hand.

Cyprian Treatise IX On the Advantage of Patience
rave patience the day of future vengeance; and He also speaks in the Apocalypse, saying, "Seal not the sayings of the prophecy of this book: for now the time is at hand for them that persevere in injuring to injure, and for him that is filthy to be filthy still; but for him that is righteous to do things still more righteous, and likewise for him that is holy to do things still more holy. Behold, I come quickly; and my reward is with me, to render to every man according to his deeds."[48]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
And let those who persist in hurting, hurt: and let him who is filthy, be filthy still: but let the righteous do still more righteousness: and in like manner, let him that is holy do still more holiness. Behold, I come quickly; and my reward is with me, to render to every man according to his deeds."[542]
Victorinus Commentary on the Apocalypse of the Blessed John
prophets announced all things to come, and by His voice John gave his testimony in the world; but because he says that he was about to write the things which the thunders had uttered, that is, whatever things had been obscure in the announcements of the Old Testament; he is forbidden to write them, but he was charged to leave them sealed, because he is an apostle, nor was it fitting that the grace of the subsequent stage should be given in the first. "The time," says he, "is at hand."[45]

22:12 - And, behold, I come quickly; and my reward is with me, to give every man according as his work shall be.

1 Clement
And thus He forewarns us: "Behold, the Lord [cometh], and His reward is before His face, to render to every man according to his work."[172]
Clement of Alexandria Stromata Book IV
For it is said, "Behold the Lord, and His reward is before His face, to give to every one according to his works; what eye hath not seen, and ear hath not heard, and hath not entered into the heart of man what God hath prepared for them that love Him."[206]

22:13 - I am Alpha and Omega, the beginning and the end, the first and the last.

Pseudo-Tertullian Against All Heresies
For they affirm that without those letters truth cannot be found; nay more, that in those letters the whole plenitude and perfection of truth is comprised; for this was why Christ said, "I am the Alpha and the Omega."[64]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
Also in the same place: "I am Alpha and Omega, the first and the last, the beginning and the end. Blessed are they that do His commandments, that they may have power over the tree of life."[274]

22:14 - Blessed are they that do his commandments, that they may have right to the tree of life, and may enter in through the gates into the city.

Tertullian On Modesty
" Thus, too, again "Blessed they who act according to the precepts, that they may have power over the tree of life and over the gates, for entering into the holy city. Dogs, sorcerers, fornicators, murderers, out!"[238]

22:15 - For without are dogs, and sorcerers, and whoremongers, and murderers, and idolaters, and whosoever loves and makes a lie.

Tertullian Against Marcion Book II
Now then, ye dogs, whom the apostle puts outside,[70]

22:17 - And the Spirit and the bride say, Come. And let him that hears say, Come. And let him that is thirsty come. And whosoever will, let him take the water of life freely.

Irenaeus Against Heresies Book III
Since therefore we have such proofs, it is not necessary to seek the truth among others which it is easy to obtain from the Church; since the apostles, like a rich man [depositing his money] in a bank, lodged in her hands most copiously all things pertaining to the truth: so that every man, whosoever will, can draw from her the water of life.[11]

22:18 - For I testify unto every man that hears the words of the prophecy of this book, If any man shall add unto these things, God shall add unto him the plagues that are written in this book:

Tertullian Against Hermogenes
.[220]
The History of Joseph the Carpenter
And Thou hast ordered us to go into all the world and preach the holy Gospel; and Thou hast said: Relate to them the death of my father Joseph, and celebrate to him with annual solemnity a festival and sacred day. And whosoever shall take anything away from this narrative, or add anything to it, commits sin.[30]

22:19 - And if any man shall take away from the words of the book of this prophecy, God shall take away his part out of the book of life, and out of the holy city, and from the things which are written in this book.

Irenaeus Against Heresies Book V
Now, in the first place, it is loss to wander from the truth, and to imagine that as being the case which is not; then again, as there shall be no light punishment [inflicted] upon him who either adds or subtracts anything from the Scripture,[254]

22:20 - He which testifies these things says, Surely I come quickly. Amen. Even so, come, Lord Jesus.

Didache
Maran atha.[100]