1 Peter 2:9

Epistle of Ignatius to the Ephesians

Blessed, then, are ye who are God-bearers, spirit-bearers, temple-bearers, bearers of holiness, adorned in all respects with the commandments of Jesus Christ, being "a royal priesthood, a holy nation, a peculiar people,"[68]

Dialogue of Justin

, of our sins; and being vehemently inflamed by the word of His calling, we are the true high priestly race of God, as even God Himself bears witness, saying that in every place among the Gentiles sacrifices are presented to Him well-pleasing and pure. Now God receives sacrifices from no one, except through His priests.[441]

Origen Against Celsus Book V

The Hebrew people, then, being called by God a "chosen generation, and a royal priesthood, and a holy nation, and a purchased people,"[25]

Methodius Oration Concerning Simeon and Anna

Hail, thou people of the Lord, thou chosen generation, thou royal priesthood, thou holy nation, thou peculiar people-show forth His praises who hath called you out of darkness into His marvellous light; and for His mercies glorify Him.[120]

Victorinus Commentary on the Apocalypse of the Blessed John "] That is to say, a Church of all believers; as also the Apostle Peter says: "A holy nation, a royal priesthood."[3]

Didache

Every first-fruit, therefore, of the products of wine-press and threshing-floor, of oxen and of sheep, thou shalt take and give to the prophets, for they are your high priests.[121]

Constitutions of the Holy Apostles Book II

You, therefore, are the holy and sacred "Church of God, enrolled in heaven, a royal priesthood, an holy nation, a peculiar people,"[141]

Constitutions of the Holy Apostles Book II

Let the bishop pray for the people, and say: "Save Thy people, O Lord, and bless Thine inheritance, which Thou hast obtained with the precious blood of Thy Christ, and hast called a royal priesthood, and an holy nation."[255]

Constitutions of the Holy Apostles Book III

for there is no necessity that the women should be seen by the men; but only in the laying on of hands the bishop shall anoint her head, as the priests and kings were formerly anointed, not because those which are now baptized are ordained priests, but as being Christians, or anointed, from Christ the Anointed, "a royal priesthood, and an holy nation, the Church of God, the pillar and ground of the marriage-chamber,"[52]

Constitutions of the Holy Apostles Book VIII

We further offer to Thee for this people, that Thou wilt render them, to the praise of Thy Christ, "a royal priesthood and an holy nation; "[117]

The First Epistle of Clement Concerning Virginity

in very deed a seed honourable and holy, and "a priestly kingdom, a holy people, the people of the inheritance,"[86]