5:1 - And I saw in the right hand of him that sat on the throne a book written within and on the backside, sealed with seven seals.

Cyprian Treatise XII Three Books of Testimonies Against the Jews
And one of the elders said unto me, Weep not; behold, the Lion of the tribe of Judah, the Root of David, hath prevailed to open the book, and to loose its seven seals."[200]

5:5 - And one of the elders says unto me, Weep not: behold, the Lion of the tribe of Juda, the Root of David, has prevailed to open the book, and to loose the seven seals thereof.

Five Books in Reply to Marcion
Did bear a lion:[88]
Hippolytus Dogmatical and Historical Fragments
6. Now, as our Lord Jesus Christ, who is also God, was prophesied of under the figure of a lion,[24]

5:6 - And I beheld, and, lo, in the midst of the throne and of the four beasts, and in the midst of the elders, stood a Lamb as it had been slain, having seven horns and seven eyes, which are the seven Spirits of God sent forth into all the earth.

Irenaeus Against Heresies Book IV
" And after these things, seeing the same Lord in a second vision, he says: "For I saw in the midst of the throne, and of the four living creatures, and in the midst of the elders, a Lamb standing as it had been slain, having seven horns, and seven eyes, which are the seven spirits of God, sent forth into all the earth."[307]
Clement of Alexandria Stromata Book V
And they say that the seven eyes of the Lord "are the seven spirits resting on the rod that springs from the root of Jesse."[83]
Cyprian Treatise XII Three Books of Testimonies Against the Jews
full of odours of supplications, which are the prayers of the saints; and they sang a new song, saying, Worthy art Thou, O Lord, to take the book, and to open its seals: for Thou wast slain, and hast redeemed us with Thy blood from every tribe, anti and people, and nation; and Thou hast made us a kingdom unto our God, and hast made us priests, and they shall reign upon the earth."[226]
Victorinus On the Creation of the World
Behold the seven horns of the Lamb,[25]
The Liturgy of the Blessed Apostles
Before the resplendent throne of Thy majesty, O Lord, and the exalted and sublime throne of Thy glory, and on the awful seat of the strength of Thy love and the propiatory altar which Thy will hath established, in the region of Thy pasture,[4]
Revelation of Saint John the Theologian
And again I said: Lord, what will become of the heavens, and the sun, and the moon, along with the stars? And I heard a voice saying to me: Behold, righteous John. And I looked, and saw a Lamb having seven eyes and seven horns.[33]

5:8 - And when he had taken the book, the four beasts and four and twenty elders fell down before the Lamb, having every one of them harps, and golden vials full of odours, which are the prayers of saints.

Irenaeus Against Heresies Book IV
Since, therefore, the name of the Son belongs to the Father, and since in the omnipotent God the Church makes offerings through Jesus Christ, He says well on both these grounds, "And in every place incense is offered to My name, and a pure sacrifice." Now John, in the Apocalypse, declares that the "incense" is "the prayers of the saints."[236]
Fragments from the Lost Writings of Irenaeus
as John also declares in the Apocalypse: "The incense is the prayers of the saints."[74]
Origen Against Celsus Book VIII
" He does not perceive that we regard the spirit of every good man as an altar from which arises an incense which is truly and spiritually sweet-smelling, namely, the prayers ascending from a pure conscience. Therefore it is said by John in the Revelation, "The odours are the prayers of saints; "[34]

5:9 - And they sung a new song, saying, You are worthy to take the book, and to open the seals thereof: for you were slain, and have redeemed us to God by your blood out of every kindred, and tongue, and people, and nation;

Epistle of Mathetes to Diognetus
but is trusted as a virgin; and salvation is manifested, and the Apostles are filled with understanding, and the Passover[71]
Tertullian On the Resurrection of the Flesh
If I remember not that it is I who have served Him, how shall I ascribe glory to God? How sing to Him "the new song,"[436]

5:10 - And have made us unto our God kings and priests: and we shall reign on the earth.

Hippolytus Refutation of All Heresies Book X
, these God has promised to bestow upon thee, because thou hast been deified, and begotten unto immortality.[71]

5:13 - And every creature which is in heaven, and on the earth, and under the earth, and such as are in the sea, and all that are in them, heard I saying, Blessing, and honour, and glory, and power, be unto him that sits upon the throne, and unto the Lamb for ever and ever.

A Treatise of Novatian Concerning the Trinity
for the purpose of life equal measures for all.[45]