Schism_hater:
The Orthodox don’t believe that that there is one “Vicar of Christ”. Every bishop is a “vicar of Christ” in a sense. It was to the whole group of apostles that Christ said “He who hears you hears me”, not just to Peter. Btw, some Roman Catholic theologians, such as the late venerable Yves Cardinal Congar, dispute the title “Vicar of Christ” as applied to the Bishop of Rome. But unity is not primarily a matter of jurisdictional status, it is a matter of substance, of a real unity between Christians. I know Roman Catholicism has an outward, institutional unity, but having been a Roman Catholic for over 20 years, I would question whether there is really a deep unity of faith, even among practicing Catholics in good standing. Of course, there isn’t perfect unity in Orthodoxy either. But being “under” the jurisidiction of one prelate does not, in my opinion, equal true unity.
It is one in faith. All Orthodox confess the same creed and, I would argue, mean pretty much the same thing in doing so.
But it was to Peter alone that Jesus said to Simon, “you are Peter and upon this rock I will build my church”, and it was to Peter alone after the resurrection commanded Peter to tend, and feed the flock, it was to Peter first and alone that Jesus gave the authority in the kingdom of God to possess the keys in order to bind and loose on earth. It was to Peter alone that God the Father revealed the Son of God, It was to Peter alone that Jesus prayed for, It was to Peter alone that Jesus commanded to retrieve his disciples once Peter returned after Jesus passion, It was to Peter alone that heaven revealed to allow the gentiles into the church…
Since the Apostle Peter and his successors today in the Popes have never deviated from commission of Jesus Christ placed upon the office of Peter (rock).
Ultimately the authority rests on Jesus Christ himself. It is Jesus who sends Peter and his disciples to become fisher of men.
If I can put it in short from an analogy; It is Peter who stirs the boat united with all the apostolic successors in every tongue, tribe, people and language, all the Bishops united with Peter (the bishop of Rome) have ores and are rowing, what I see the Orthodox doing is remaining Orthodox and refuse to row with the other bishops united with Peter.
I understand the creed expressed from Orthodoxy. Let us not forget that for disciplinary reasons the west included the “filioque” in order to reject and denounce the Eastern heresy that tried to infect the Western church with Arianism.
Our expression of faith has never detered from the apostolic faith as Orthodox falsely claims. More understanding and clarification is needed here, now that the west and east have found a medium to communicate.
It is easy to reject those expressions of the Apostolic faith which the West clarified against all heresies in recent centuries, while the Orthodox remained idle under the suppression of her secular powers.
Orthodoxy has come up for air from the supression of communism and reject the Western expression of the apostolic faith that came under attack and defeated them in terminology that Orthodox rejects.
The Western Church has never deviated from the apostolic faith. Orthodoxy rejects what she refuses to acknowledge or accept from the Western expression of the apostolic faith.
Orthodoxy does well to remain Orthodox here and never deter from her Traditions, that is why Vatican II never wishes for Orthodox to become Latin or Latins to become Orthodox in order to maintain unity.
Peace be with you