The one thing that kept me from Orthodxy is that the Orthodox simply do not acocunt for the bulk of the Fathers writing on papal supremacy, and when they do, they don’t seem to hit it square between the eyes, they just sort of explain it away as “Well, it’s his orthodoxy that made him great, not his see of Rome by divine right.” But that does not account for all the sayings of the Fathers on the Primacy of Peter.
St. Maximus :
From the Catholic Encyclopedia:
"When in 641 John IV wrote his defence of Pope Honorius, it was re-echoed by St. Maximus in a letter to Marinus, a priest of Cyprus. He declares that Honorius, when he confessed one will of our Lord, only meant to deny that Christ had a will of the flesh, of concupiscence, since he was conceived and born without stain of sin. Maximus appeals to the witness of Abbot John Symponus, who wrote the letter for Honorius. Pyrrhus was now Sergius’s successor, but on the accession of the Emperor Constans in 642 he was exiled. Maximus then sent a letter to the patrician Peter, apparently the Governor of Syria and Palestine who had written to him concerning Pyrrhus, whom he now calls simply abbot. Pyrrhus was in Palestine and Peter had restrained him from putting forward his heretical views. Pyrrhus had declared that he was ready to satisfy Maximus as to his orthodoxy. The latter says he would have written to Peter before
**'but I was afraid of being thought to transgress the holy laws if I were to do this without knowing the will of the most holy see of Apostolic men, who ***lead aright the whole plenitude of the Catholic Church, and rule *it with order according to the divine law’. "
“For he only speaks in vain who thinks he ought to persuade or entrap persons like myself, and does not satisfy and implore the blessed pope of the most holy Church of the Romans, that is, the Apostolic see, which from the incarnate Son of God Himself, and also by all holy synods, according to the holy canons and definitions, has received universal and supreme dominion, authority and power of binding and loosing over all the holy Churches of God which are in the whole world — for with it the Word who is above the celestial powers binds and looses in heaven also. For if he thinks he must satisfy others, and fails to implore the most blessed Roman pope, he is acting like a man who, when accused of murder or some other crime, does not hasten to prove his innocence to the judge ***appointed by the law, ***but only uselessly and without profit does his best to demonstrate his innocence to private individuals, who have no power to acquit him.”
MAximus clearly says that the Church of ROme has Authority from Christ to bind and loose over all the other churches. Tell an Orthodox person to repeat these lines on Pain of his Orthodoxy, and see what happens; for they revere St. Maximus very much.
" For from the coming down of the incarnate Word amongst us, all the Churches in every part of the world have held that greatest Church alone as their base and foundation, seeing that according to the promise of Christ our Saviour, the gates of hell do never prevail against it, that it has the keys of a right confession and faith in Him, that it opens the true and only religion to such as approach with piety, and shuts up and locks every heretical mouth that speaks injustice against the Most High."
For the cementing of our unity cannot be firm unless we be bound by the bond of love into an inseparable solidity: because “as in one body we have many members, but all the members have not the same office; so we being many are one body in Christ, and all of us members one of another. The connexion of the whole body makes all alike healthy, all alike beautiful: and this connexion requires the unanimity indeed of the whole body, but it especially demands harmony among the priests. And though they have a common dignity, yet they have not uniform rank; inasmuch as even among the blessed Apostles, notwithstanding the similarity of their honourable estate, there was a certain distinction of power, and while the election of them all was equal, yet it was given to one to take the lead of the rest. From which model has arisen a distinction between bishops also, and by an important ordinance it has been provided that every one should not claim everything for himself: but that there should be in each province one whose opinion should have the priority among the brethren: and again that certain whose appointment is in the greater cities should undertake a fuller responsibility, through whom the care of the universal Church should converge towards Peter’s one seat, and nothing anywhere should be separated from its Head.
Pope st. leo I letters 14:12