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Jesus said to them: “I have come into this world so that a sentence may fall upon it, that those who are blind should see, and those who see should become blind. If you were blind, you would not be guilty. It is because you protest, ‘We can see clearly,’ that you cannot be rid of your guilt.”

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Views from the Choir Loft

Blessed are the Peacemakers

Dr. Peter Kwasniewski · July 4, 2013

AINT THOMAS AQUINAS interprets the Lord’s words “Blessed are the clean of heart” in terms of perfection within oneself, as a necessary disposition to heavenly beatitude (cf. Summa Ia-IIae, Question 69); and he interprets “Blessed are the peacemakers” in terms of perfection towards others, since the work proper to peace is the uniting or harmonizing of what is separated or discordant in human relationships.

Having a clean heart is a prerequisite to being a peacemaker, since knowing what peace truly consists in follows from having a well-ordered or “peaceful” soul. Aristotle makes the same point in the Nicomachean Ethics, where he discusses the wicked man who is at odds with himself, who is fragmented and restless in his consciousness, as opposed to the virtuous man who is at peace—not, mind you, smug or self-satisfied, since he goads himself on to do virtuous deeds (the greater the better); but rather, with the peace of self-possession that comes from self-mastery and habitually cleaving to the good.

Peace among men cannot come from hearts that are not at peace. Relationships of justice among men cannot arise as long as hearts are possessed of unjust desires and ambitions. “Seek first the kingdom of God, and His justice, and all these things shall be added unto you,” says the Lord. One can only promote the peace of another—peace with another and among others—if one first loves the other’s good. Peace demands a good willed for the neighbor for his sake, and the good of another can only be loved by one whose heart is already attracted to the good in itself—that is, by one whose heart is pure. As Kierkegaard once wisely said, “Purity of heart is to will one thing.” Clarity of the heart’s “eye” is what makes it possible to see how great a good peace really is and to know how to foster it; cleanness of heart is the condition of both insight and foresight.

“My peace I leave with you: not as the world gives do I give to you.” Peace of soul is something only God can give us, and without it, we are lost. Indeed, without the peace that comes from resting in God’s will, much of what we do will become harmful to us, as we injure ourselves with our own “good intentions.” It is not enough to do something generically good. We seek to do what God wills, in the manner God wills, and because He wills it: quod Deus vult, quomodo Deus vult, et quia Deus vult.

For this reason, among others, a college that is truly Catholic must pay attention to the spiritual formation of its students. They are not disembodied intellects who are taught mere conceptual doctrines, whether in theology or mathematics or any other discipline; nor are they brute animals who climb the heights to forage and fight like mountain goats. A Catholic student is, first and foremost, an adopted son of God, whose soul needs grace as a plant needs sunlight and moisture to grow, as an animal need fresh air to breathe. A Catholic college allows, beckons, beseeches Holy Mother Church, in the person of her sacred ministers, to nourish students’ souls with the Bread of Angels, to heal their hearts with the absolving balm of Confession, to guide their steps with the reflected light of spiritual direction, to surround them with all the great and small reminders of our true origin and destiny, our Alpha and Omega. She makes this an explicit goal of her institutional life and culture.

True, a college as such exists to offer an academic curriculum. A Catholic college, however, must do more, and joyfully does more: it is not one-dimensional but three-dimensional. It offers a spiritual training ground in which the immediate goal of academic formation, of cultivating intellectual virtues, comes together with ongoing formation in and exercise of the moral and theological virtues. This tightly-knit threefold cord of theological virtue, intellectual virtue, and moral virtue is what binds into unity the many elements of a Catholic’s daily life, and in a special way, a student’s life. What a joy it is to see this unity emerge, year by year, as our students drink in peace from the Lord’s glorious wounds and seek to be peacemakers in a wounded world.

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

    “Music List” • 5th Sunday of Easter (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 5th Sunday of Easter (18 May 2025). If such a thing interests you, feel free to download it as a PDF file. The Communion Antiphon was ‘restored’ the 1970 Missale Romanum (a.k.a. MISSALE RECENS) from an obscure martyr’s feast. Our choir is on break this Sunday, so the selections are relatively simple in nature.
    —Jeff Ostrowski
    Communion Chant (5th Sunday of Easter)
    This coming Sunday—18 May 2025—is the 5th Sunday of Easter, Year C (MISSALE RECENS). The COMMUNION ANTIPHON “Ego Sum Vitis Vera” assigned by the Church is rather interesting, because it comes from a rare martyr’s feast: viz. Saint Vitalis of Milan. It was never part of the EDITIO VATICANA, which is the still the Church’s official edition. As a result, the musical notation had to be printed in the Ordo Cantus Missae, which appeared in 1970.
    —Jeff Ostrowski
    “Music List” • 4th Sunday of Easter (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 4th Sunday of Easter (11 May 2025). If such a thing interests you, feel free to download it as a PDF file. I don’t know a more gorgeous ENTRANCE CHANT than the one given there: Misericórdia Dómini Plena Est Terra.
    —Jeff Ostrowski

Quick Thoughts

    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt
    The Funeral Rites of the Graduale Romanum
    Lately I have been paging through the 1974 Graduale Romanum (see p. 678 ff.) and have been fascinated by the funeral rites found therein, especially the simply-beautiful Psalmody that is appointed for all the different occasions before and after the funeral Mass: at the vigil/wake, at the house of the deceased, processing to the church, at the church, processing to the cemetery, and at the cemetery. Would that this “stational Psalmody” of the Novus Ordo funeral rites saw wider usage! If you or anyone you know have ever used it, please do let me know.
    —Daniel Tucker

Random Quote

“We being many are one bread and one body, All who share the one bread and one cup. Vs. Thou hast prepared of thy sweetness for the poor, O God, who makest us to dwell in one mind in thy house. All who share the one bread and one cup.”

— Responsory (Matins for Corpus Christi) transl. by Fortescue

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