https://orantes-assomption.org/2018/05/19/homelie-de-saint-augustin-sur-la-pentecote/"...Thus, what discord had dispersed, charity would bring it together,..."I'll just post this Sermon here, the Church speaks all languages, and I like the part where St Augustine says were not in schism...
Excerpt of St Augustine's Sermon on Pentecost.
Google Translation.
"...When the disciples asked Him when the end of the world would come, He answered them, “It is not for you to know the times or the seasons that the Father has set in His power,” and then promised them what is being accomplished today. “You will receive,” He said, “the power of the Holy Spirit coming upon you, and you will be witnesses in Jerusalem, in all Judea and Samaria, and to the ends of the earth.”
...This breath purified the hearts of their sheath straw; this fire consumed the hay of the ancient lust; those languages which the Apostles spoke, filled with the Holy Spirit, foreshadowed the dissemination of the Church by the languages of all nations. For, just as after the flood the impiety of men rose a high tower against the Lord, when the human race deserved to be divided by various languages, so that each nation spoke its own language without being understood by other nations, so the humble piety of the believers brought back to the Church the diversity of those languages. Thus, what discord had dispersed, charity would bring it together, and the dispersed members of a single human genus would be united with each other and with Christ, the sole leader, and would be melted by the fire of love in the unity of this most Holy Body...
...But you, my brothers, members of the body of Christ, seeds of unity, children of peace, spend this day in joy, celebrate it in security. For what was spoken in those days when the Holy Spirit came, this is what has been fulfilled in you. For each one of those who then received the Holy Spirit spoke, by himself, every language. So today unity itself speaks every language throughout all nations, this unity in which you possess the Holy Spirit, you
who are separated by no schism from the Church of Christ, which speaks every language.
Sermon CCLXVII
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Holy Feast of Pentecost!