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Corpus Christi Watershed

Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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Views from the Choir Loft

Reason and Mystery

Dr. Peter Kwasniewski · December 22, 2012

OMETIMES YOU HEAR people say that reasoning and mystery are opposed to each other—that the logical deductions one finds in, say, the Summa theologiae of Saint Thomas Aquinas, or even the precise dogmatic formulations of the Church’s Magisterium, are somehow at odds with the simple acceptance of mysteries of faith that human words can never explain. But this is to see things quite incorrectly. Doctrinal definition and theological exploration only intensify the ineffable truth that no formula can exhaust, by bringing its depth of mystery more fully to light. In Catholicism both “extremes” are given full play: reason, which may go as far as it dares and can, embracing the pagan wisdom of every land and time, trembling with its fragile power like a delicate blossom proud to have burst up through the cold ground of March; mystery, which exalts to infinity the caliginous light, the luminous darkness, the incomprehensible truth of God, precisely on account of, by means of, in the “face” of, questing reason. Saint Thomas on the Trinity, the Incarnation, the Eucharist, shows us human reason at its peak, where it bows down humbly in adoration. The form of the Summa and of its every article is the archetypal form of a quest for the Grail of truth, a quest made urgent not only by the inner joy of seeking but by the continual danger of perilous detours; a pilgrimage taken by the soul journeying into God, walking by its “own” power, sustained by the power and grace of God endowing it at every moment with the power that it may call its own (participated theonomy). Each extreme of theology is what it is because of the other, and to the questing soul the denial of the one is the loss of the other. Tell reason not to search, and the unsearchable mystery will become a mystery unsearched; let haughty reason tell itself that the divine is comprehensible, and at the same moment, as though by an evil spell one must never utter, it withers at its source, collapses inwardly and dies. Dispelling mystery, you take away the heart of the mind; dispelling reason, you take away the mind of the heart. And in either event, the mind and heart of love is also afflicted for its sins. This is when clerical dissipation, ecclesial polemics, and lukewarmness have their day in the sun. Let us pray and work for a full restoration of Catholic theology, Catholic spirituality, and Catholic culture—for these three stand or fall together.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Last Updated: January 1, 2020

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About Dr. Peter Kwasniewski

A graduate of Thomas Aquinas College (B.A. in Liberal Arts) and The Catholic University of America (M.A. and Ph.D. in Philosophy), Dr. Peter Kwasniewski is currently Professor at Wyoming Catholic College. He is also a published and performed composer, especially of sacred music.

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski
    “Rare Photographs” • Hannibal Bugnini
    On 2 September 2025, we included in this article extremely rare photographs of Archbishop Hannibal Bugnini taken in Iran circa 1979. Bugnini had initially been banished by the pope to Uruguay, but he refused to obey. [This is interesting, since Bugnini relied upon ‘blind obedience’ when it came to modifications of the ancient liturgy.] After he refused to obey the order from the pope, Hannibal Bugnini was banished to Iran. You can also watch a short video of Hannibal Bugnini in Iran, dated 10 November 1979. That’s about a week after the USA embassy hostage crisis began in Tehran, and Pope Saint John Paul II had sent the leader of the Iranian Revolution a special letter.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski
    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski

Random Quote

At the Catholic gathering (Katholikentag) held at Breslau in August, the Papal Nuncio celebrated Mass for 80,000 participants, facing the people (the “Missa versus populum”).

— “Orate Fratres” Magazine (23 Jan. 1927)

Recent Posts

  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)
  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026

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