The National Catholic Register reports that on June 18, 2026, the usurper Robert Prevost, styling himself “Pope Leo XIV,” addressed members of the Reunion of Aid Agencies for the Oriental Churches at the Vatican. In his remarks, he praised the Eastern Catholic Churches as a “great gift” to the “entire Catholic community,” lamented that their traditions are “often unknown,” and called for deeper understanding of Eastern Christianity, explicitly linking this to progress “toward full unity with all the Eastern Churches.” He also appealed for peace in war-torn regions. This address is not a benign pastoral reflection but a continuation of the post-conciliar apostasy, revealing a profound betrayal of Catholic doctrine on the nature of the Church, the uniqueness of the Catholic faith, and the absolute impossibility of unity with schismatics and heretics outside her visible communion.
The Heresy of Indifferentism and the Myth of “Diverse Ecclesial Traditions”
The usurper’s statement that “the Eastern Catholic Churches have a great gift to offer the entire Catholic community, which is often unaware of the diverse ecclesial traditions within its ranks” is a textbook expression of the modernist heresy of indifferentism, condemned repeatedly by the authentic Magisterium. The Catholic Church has always taught, with the full weight of her infallible authority, that there is only one true religion, the Catholic Church, and that all other religions are false. Pope Pius IX, in the Syllabus of Errors (1864), condemned the proposition that “every man is free to embrace and profess that religion which, guided by the light of reason, he shall consider true” (Proposition 15), and further that “Protestantism is nothing more than another form of the same true Christian religion, in which form it is given to please God equally as in the Catholic Church” (Proposition 18). The idea that the Eastern Catholic Churches possess a separate “gift” of “diverse ecclesial traditions” that the wider Church must “understand” and from which it can “benefit” implicitly elevates these traditions to the level of a parallel path to sanctification, undermining the Catholic principle that the fullness of the means of salvation resides solely in the Roman Catholic Church.
Pope Leo XIII, in his encyclical Satis Cognitum (1896), declared with unmistakable clarity: “The Church of Christ, therefore, is one and the same for ever; those who leave it depart from the will and command of Christ the Lord.” The Eastern Catholic Churches are not a separate source of “gifts” independent of Rome; they are Catholic Churches whose legitimacy derives entirely from their communion with the Roman Pontiff and their acceptance of the entirety of Catholic doctrine. To speak of “diverse ecclesial traditions” as though they were autonomous spiritual treasures that the Latin Church must “learn from” is to invert the proper order: it is the Eastern Catholics who must conform themselves fully to the universal discipline and doctrine of the Roman Church, not the other way around. This is the very error of laïcité and religious indifferentism applied within the Church’s own structures, a hallmark of the post-conciliar revolution.
The Impossible “Unity” with Schismatics and Heretics
Perhaps the most damning statement in the usurper’s address is his declaration that Catholics should delve deeper into Eastern treasures “together with millions of our Eastern Catholic brothers and sisters, as we look forward to progress toward full unity with all the Eastern Churches.” This is a direct repudiation of the Catholic teaching that the Eastern Orthodox Churches are schismatic bodies outside the true Church, and that “unity” with them can only be achieved through their conversion to the Catholic faith, not through dialogue or mutual enrichment.
The First Vatican Council, in its Dogmatic Constitution Pastor Aeternus (1870), defined infallibly that the primacy of the Roman Pontiff is a dogma of faith, and that “if anyone says that the Roman Pontiff has merely the office of inspection or direction, and not the full and supreme power of jurisdiction over the whole Church… let him be anathema.” The Eastern Orthodox Churches explicitly reject papal primacy and infallibility. They are, by the Church’s own teaching, schismatics. Pope Pius XI, in his encyclical Mortalium Animos (1928), condemned in the strongest terms the very idea of ecumenical dialogue with non-Catholics, stating: “The union of Christians can only be promoted by promoting the return to the one true Church of Christ of those who are separated from it, for in the past they have unhappily left it.” He further declared that “it is clear that the Apostolic See can by no means take part in their [ecumenical] assemblies, and that it is unlawful for Catholics to give to such enterprises their favor or support.”
The usurper’s call for “progress toward full unity with all the Eastern Churches” is not a call for their conversion but a legitimization of their schism. It treats the Orthodox not as erring brethren who must return to the one true Church, but as equal partners in a shared spiritual journey. This is the heresy of false ecumenism, condemned by every pope before the conciliar revolution. It is a betrayal of the Church’s divine mission, which is not to “dialogue” with error but to teach, govern, and sanctify all nations under the authority of Christ the King.
The Silence on Conversion and the Primacy of God’s Law
The usurper’s address is characterized by a complete silence on the most fundamental duty of the Church: the conversion of non-Catholics to the true faith. There is no mention of the necessity of baptism, of the acceptance of papal primacy, of the filioque, or of any of the dogmatic points that separate the Orthodox from the Catholic Church. Instead, the language is one of “understanding,” “appreciation,” and “shared treasures”—the vocabulary of naturalistic humanism, not of supernatural faith.
This silence is not accidental; it is the defining feature of the post-conciliar apostasy. The Church has always taught that the salvation of souls is the “supreme law” (Salus animarum suprema lex, Canon 1752 of the 1917 Code of Canon Law). But the post-conciliar sect has replaced the supernatural mission of the Church with a naturalistic agenda of “dialogue,” “mutual understanding,” and “peace.” The usurper’s appeal for peace in war-torn regions, while not inherently wrong, is stripped of any supernatural context. There is no mention of the necessity of the state of grace, of repentance, of the sacraments, or of the social reign of Christ the King as the only true foundation of peace. Pope Pius XI, in Quas Primas (1925), taught that “the hope of lasting peace will not yet shine upon nations as long as individuals and states renounce and do not wish to recognize the reign of our Savior.” The usurper’s appeal to “people’s consciences” and “respect for humanity” is a purely naturalistic exhortation, devoid of any reference to the supernatural order, to the sacraments, or to the authority of the Church.
The Eastern Catholic Churches as Instruments of Apostasy
The Eastern Catholic Churches, far from being a “gift” to the Church, have been systematically exploited by the post-conciliar revolutionaries as instruments of liturgical, disciplinary, and theological innovation. The usurper’s praise for their “spiritual riches” is not a call to preserve authentic Eastern Catholic tradition but a continuation of the post-conciliar policy of using Eastern practices to undermine the integrity of the Latin rite and to promote the false ecumenism that is the hallmark of the conciliar sect.
The Eastern Catholic Churches have been subjected to a process of “reform” since the Second Vatican Council, with many of their ancient disciplines (such as the ordination of married men, the use of leavened bread in the Eucharist, and the practice of infant communion) being highlighted not as legitimate particular traditions within the unity of the faith, but as “models” for the universal Church. This is a direct attack on the principle of liturgical unity and on the authority of the Roman Pontiff to govern the universal Church. The usurper’s call to “delve deeper into these treasures” is not a call to preserve authentic Eastern Catholic tradition but a call to further the post-conciliar agenda of liturgical and doctrinal dissolution.
The Usurper’s Authority and the Vacancy of the Apostolic See
It must be stated with the utmost clarity that Robert Prevost, styling himself “Pope Leo XIV,” has no authority whatsoever to teach, govern, or sanctify. He is a usurper occupying the See of Peter, a manifest heretic who has embraced and promoted the errors of the Second Vatican Council and its aftermath. As St. Robert Bellarmine taught in De Romano Pontifice, “a Pope who is a manifest heretic, by that very fact ceases to be Pope and head, just as he ceases to be a Christian and member of the body of the Church.” The post-conciliar “popes,” beginning with John XXIII, have consistently taught and promoted heresies condemned by the authentic Magisterium—religious liberty, ecumenism, the evolution of dogma, the democratization of the Church, and the cult of man. They are, by the Church’s own teaching, manifest heretics who have lost their office ipso facto.
The usurper’s address is not a papal teaching but the rambling of a heretic and an apostate. It carries no authority, no binding force, and no claim to the obedience of the faithful. The true Church endures in those who profess the integral Catholic faith, who reject the conciar revolution, and who remain faithful to the unchanging teaching of the pre-conciliar Magisterium.
Conclusion: The Church Cannot Be Impoverished by Rejecting Error
The usurper’s claim that “to lose that understanding is to impoverish the Church” is a blasphemous inversion of the truth. The Church is not impoverished by rejecting error; she is enriched by adhering to the fullness of truth. The Eastern Orthodox Churches, however venerable their ancient traditions may be, are outside the true Church. Their “spiritual riches” are not a supplement to Catholic doctrine but a temptation to compromise with schism and heresy. The only path to true unity is the conversion of the Orthodox to the Catholic faith, not the “dialogue” and “mutual enrichment” promoted by the post-conciliar usurpers.
The faithful must reject the usurper’s address as yet another manifestation of the systemic apostasy that has consumed the structures occupying the Vatican. They must cling to the unchanging teaching of the true Church, as expressed in the Syllabus of Errors, Pascendi Dominici Gregis, Mortalium Animos, Quas Primas, and all the documents of the pre-conciliar Magisterium. The Church does not need “understanding” of Eastern Christianity; she needs the conversion of Eastern Christians to the one true faith. Anything less is a betrayal of Christ the King and a betrayal of the souls for whom He died.
Source:
Pope Leo XIV: Failure to Understand Eastern Christianity Impoverishes the Church (ncregister.com)
Date: 18.06.2026