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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

    Spectacular Communion Setting!
    The FAUXBOURDON setting of the Communion for the Baptism of the Lord (which will occur this coming Sunday) strikes me as quite spectacular. The verses—composed by the fifth century Christian poet, Coelius Sedulius—come from a long alphabetical acrostic and are deservedly famous. The feast of the LORD’S BAPTISM was traditionally the octave day of Epiphany, but in the 1962 kalendar it was made ‘more explicit’ or emphasized. The 1970 MISSALE ROMANUM elevated this feast even further.
    —Jeff Ostrowski
    PDF • “Music List” (Sunday, 11 January)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Baptism of the Lord (SUNDAY, 11 January 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon—to say nothing of the antiphon itself—are breathtaking. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the monumental feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    Epiphany Hymn • “New 2-Voice Arrangement”
    The Von Trapp Family Singers loved a melody that was featured heavily (perhaps even “too heavily”) in the Brébeuf Hymnal. It goes by many names, including ALTONA, VOM HIMMEL HOCH, and ERFURT. If you only have one man and one woman singing, you will want to download this arrangement for two voices. It really is a marvelous tune—and it’s especially fitting during the season of Christmas and Epiphany.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski
    What does this mean? “Pre-Urbanite”
    Something informed critics have frequently praised vis-à-vis the Saint Jean de Brébeuf Hymnal is its careful treatment of the ancient hymns vs. the “Urbanite” hymns. This topic I had believed to be fairly well understood—but I was wrong. The reason I thought people knew about it is simple; in the EDITIO VATICANA 1908 Graduale Romanum (as well as the 1913 Liber Antiphonarius) both versions are provided, right next to each other. You can see what I mean by examining this PDF file from the Roman Gradual of 1908. Most people still don’t understand that the Urbanite versions were never adopted by any priests or monks who sang the Divine Office each day. Switching would have required a massive amount of effort and money, because all the books would need to be changed.
    —Jeff Ostrowski

Random Quote

By far, the event that caused the biggest increase in requests for indults from the morning Mass requirement was the Second World War. The unusual requirements of providing Mass during wartime led to some unique legislation accommodating the time of Mass. Already in 1940, Pope Pius XII issued a motu proprio addressing the situation of holding Mass in countries where a “Black-out” had been ordered.

— Father Shawn P. Tunink

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