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Emperor Justinian (520-533)[/FONT]
[FONT=arial, helvetica, verdana, sans-serif]Writing to the Pope:
Yielding honor to the Apostolic See and to Your Holiness, and honoring your Holiness, as one ought to honor a father, we have hastened to subject all the priests of the whole Eastern district, and to unite them to the See of your Holiness, for we do not allow of any point, however manifest and indisputable it be, which relates to the state of the Churches, not being brought to the cognizance of your Holiness, since you are the Head of all the holy Churches. (Justinian Epist. ad. Pap. Joan. ii. Cod. Justin. lib. I. tit. 1).
Let your Apostleship show that you have worthily succeeded to the Apostle Peter, since the Lord will work through you, as Surpreme Pastor, the salvation of all. (Coll. Avell. Ep. 196, July 9th, 520, Justinian to Pope Hormisdas). [/FONT]
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St. Maximus the Confessor (c. 650)
A celebrated theologian and a native of Constantinople[/FONT]
[FONT=arial, helvetica, verdana, sans-serif]The extremities of the earth, and everyone in every part of it who purely and rightly confess the Lord, look directly towards the Most Holy Roman Church and her confession and faith, as to a sun of unfailing light awaiting from her the brilliant radiance of the sacred dogmas of our Fathers, according to that which the inspired and holy Councils have stainlessly and piously decreed. For, from the descent of the Incarnate Word amongst us, all the churches in every part of the world have held the greatest Church alone to be their base and foundation, seeing that, according to the promise of Christ Our Savior, the gates of hell will never prevail against her, that she has the keys of the orthodox confession and right faith in Him, that she opens the true and exclusive religion to such men as approach with piety, and she shuts up and locks every heretical mouth which speaks against the Most High. (Maximus, Opuscula theologica et polemica, Migne, Patr. Graec. vol. 90)
How much more in the case of the clergy and Church of the Romans, which from old until now presides over all the churches which are under the sun? Having surely received this canonically, as well as from councils and the apostles, as from the princes of the latter (Peter and Paul), and being numbered in their company, she is subject to no writings or issues in synodical documents, on account of the eminence of her pontificate .....even as in all these things all are equally subject to her (the Church of Rome) according to sacerodotal law. And so when, without fear, but with all holy and becoming confidence, those ministers (the popes) are of the truly firm and immovable rock, that is of the most great and Apostolic Church of Rome. (Maximus, in J.B. Mansi, ed. Amplissima Collectio Conciliorum, vol. 10)
If the Roman See recognizes Pyrrhus to be not only a reprobate but a heretic, it is certainly plain that everyone who anathematizes those who have rejected Pyrrhus also anathematizes the See of Rome, that is, he anathematizes the Catholic Church. I need hardly add that he excommunicates himself also, if indeed he is in communion with the Roman See and the Catholic Church of God ...Let him hasten before all things to satisfy the Roman See, for if it is satisfied, all will agree in calling him pious and orthodox. For he only speaks in vain who thinks he ought to pursuade or entrap persons like myself, and does not satisfy and implore the blessed Pope of the most holy Catholic Church of the Romans, that is, the Apostolic See, which is from the incarnate of the Son of God Himself, and also all the holy synods, accodring to the holy canons and definitions has received universal and surpreme dominion, authority, and power of binding and loosing over all the holy churches of God throughout the whole world. (Maximus, Letter to Peter, in Mansi x, 692). [/FONT]
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John VI, Patriarch of Constantinople (715)[/FONT]
[FONT=arial, helvetica, verdana, sans-serif]The Pope of Rome, the head of the Christian priesthood, whom in Peter, the Lord commanded to confirm his brethren. (John VI, Epist. ad Constantin. Pap. ad. Combefis, Auctuar. Bibl. P.P. Graec.tom. ii. p. 211, seq.) [/FONT]
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St. Nicephorus, Patriarch of Constantinople (758-828)[/FONT]
[FONT=arial, helvetica, verdana, sans-serif]Without whom (the Romans presiding in the seventh Council) a doctrine brought forward in the Church could not, even though confirmed by canonical decrees and by ecclesiastical usuage, ever obtain full approval or currency. For it is they (the Popes of Rome) who have had assigned to them the rule in sacred things, and who have received into their hands the dignity of headship among the Apostles. (Nicephorus, Niceph. Cpl. pro. s. imag. c 25 [Mai N. Bibl. pp. ii. 30[/FONT]