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The Thomistic Institute

The Thomistic Institute exists to promote Catholic truth in our contemporary world by strengthening the intellectual formation of Christians at universities, in the Church, and in the wider public square. The thought of St. Thomas Aquinas, the Universal Doctor of the Church, is our touchstone.

The Thomistic Institute Podcast features the lectures and talks from our conferences, campus chapters events, intellectual retreats, livestream events, and much more.

Founded in 2009, the Thomistic Institute is part of the Pontifical Faculty of the Immaculate Conception at the Dominican House of Studies in Washington, DC.

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Friday · 49 min
How to Be a Good Friend: Combatting Envy and Fostering Love - Prof. Scott Cleveland
Prof. Scott Cleveland explores the Aristotelian and Thomistic vision of friendship, arguing that true flourishing requires overcoming the vices of envy and apathy through the practice of charity and virtuous love.This lecture was given on February ...
Thursday · 42 min
Why Do We Need Justification?: On Original Sin - Prof. Erik Dempsey
Prof. Erik Dempsey explores Original Sin as a fundamental, lived reality inherently inclining the human person toward wrongdoing, but recognizing our brokenness is essential for understanding our constant need for divine grace and justification.Thi...
Wednesday · 44 min
Identifying the Question? - Prof. Adam Eitel
Prof. Adam Eitel argues that modern identity theories ultimately fail because they lack a stable metaphysical grounding, and he proposes an alternative view rooted in Saint Thomas Aquinas’s exposition of Psalm 8.This lecture was given on February 2...
Tuesday · 53 min
The Natural Principles of Identity in Christ - Fr. Irenaeus Dunlevy, O.P.
Fr. Irenaeus Dunlevy examines the contemporary crisis of identity by contrasting modern fluid subjectivism with the Thomistic realist perspective of the human person, arguing our true identity is rooted in our nature as beings created by God and or...
October 19 · 37 min
Identity in Christ - Prof. Adam Eitel
Prof. Adam Eitel contrasts the modern, self-constituted notions of identity with the Thomistic understanding of man as a creature capable of seeing God., whereby our human identity is fundamentally reordered from the Adamic image to the image of Ch...
October 16 · 39 min
Christ's Undergoing of Suffering for Our Sake - Prof. Paul Gondreau
Prof. Paul Gondreau explores the theological necessity of Christ's full humanity, arguing that by assuming a human nature complete with emotions and the capacity for suffering, Jesus provides the ultimate model for human perfection and moral integr...
October 15 · 49 min
Faith and Medicine: if God Is Present at the Bedside, Why is There a Conspiracy of Silence? - Prof. Tim Flanigan
Prof. Tim Flanigan, in the face of a "conspiracy of silence" in clinical settings that discourages the expression of faith, urges medical professionals to embrace the discomfort of witnessing to their beliefs to better support their patients. This ...
October 14 · 1 hr 10 min
The Use of Tools in a Technocratic Age: the Death of Wisdom? - Sr. Anna Wray, O.P.
Sr. Anna Wray, O.P. explores whether our reliance on efficiency-driven technology is hastening the death of wisdom by taking the place of human deliberation and agency.This lecture was given on February 20th, 2025, at Carnegie Mellon/University of ...
October 13 · 39 min
The Priesthood of Christ and Our Baptismal Priesthood - Prof. Bruce Marshall
Prof. Bruce Marshall explains that through the indelible mark of baptismal character, the faithful are uniquely deputized to participate in Christ's once-for-all sacrifice through the celebration of the Eucharist.This lecture was given on March 28t...
October 12 · 35 min
Can I Ever Tell A Lie? - Fr. Gregory Pine, O.P.
Fr. Gregory Pine, O.P. examines the Catholic teaching on truthfulness as an exercise of justice, defining lying as a sin that perverts the faculty of speech and undermines the common good.This lecture was given on September 10th, 2026, at The Catho...
October 9 · 1 hr 5 min
Truth, Goodness, and Beauty as Responses to Human Desire - Sr. Mary Angelica Neenan, O.P.
Sr. Mary Angelica Neenan, O.P. explores how the human soul’s powers of intellect and will are designed to find their ultimate fulfillment in the transcendentals of truth, goodness, and beauty.This lecture was given on September 11th, 2026, at Missi...
October 8 · 59 min
The Fittingness of the Incarnation - Mr. Chris Wolter
Mr. Chris Wolter examines the fittingness of the Incarnation within the structural framework of Aquinas' Summa Theologiae, with the Incarnation serving as the restorative apex of history.This lecture was given on April 16th, 2026, at University of ...
October 7 · 50 min
Drawing Knowledge from Scientific Instruments - Dr. Marvin Bolt
Dr. Marvin Bolt explores the history and epistemology of scientific instruments, arguing that they are not merely passive tools but active embodiments of knowledge that require hands-on engagement to fully understand.This lecture was given on July ...
October 6 · 55 min
Why You Need St. Thomas Aquinas in your Life - Fr. Chris Gault, O.P.
Fr. Chris Gault, O.P. explores why St. Thomas Aquinas remains a vital guide for contemporary students, emphasizing that his systematic approach to theology fosters both intellectual clarity and a deeper interior life.This lecture was given on April...
October 5 · 41 min
The Atomic Force Microscope:Truth, Guesses, Puzzles, and Personal Experiences - Prof. Santiago Solares
Prof. Santiago Solares explores the technical challenges and philosophical implications of Atomic Force Microscopy, arguing that rigorous scientific practice requires both technical precision and a commitment to intellectual formation.This lecture ...
October 2 · 47 min
Natural and Artificial Instruments for Investigating the Cosmos - Prof. John Brungardt
Prof. John Brungardt explores the Aristotelian-Thomistic necessity of scientific instruments as essential tools for the human mind to investigate the cosmos and overcome the limitations of natural sensation.This lecture was given on July 17th, 2026...
October 1 · 48 min
Telescopes and Our Understanding of the Cosmos - Prof. Karin Oberg
Prof. Karin Öberg examines how the vocation of the scientist aligns with the Thomistic view that studying the material order is a necessary component of faith, arguing that the scientific study of the cosmos serves as a profound path to understandi...
September 30 · 1 hr 1 min
The Seven Deadly Sins - Prof. David Elliot
Prof. David Elliot draws on Aquinas, Gregory the Great, and the desert monastic tradition to present the seven capital vices — pride (their queen and root), vainglory, envy, wrath, avarice, sloth, lust, and gluttony — as "gateway vices" whose strat...
September 29 · 43 min
St .Thomas Aquinas’ Spiritual Exegesis of the Mass - Fr. John Saward
Fr. John Saward presents Aquinas's Summa III, q.83 as a "spiritual exegesis" of the Mass, showing how the Angelic Doctor reads the rites, words, and ceremonies of the Mass as signs that both signify and make present the saving mysteries of Christ's...
September 28 · 52 min
The Seven Gifts in Christ and the Saints - Fr. John Mark Solitario
This lecture was given on April 25th, 2026, at Dominican House of Studies.For more information on upcoming events, visit us at thomisticinstitute.org/upcoming-eventsAbout the Speaker:Fr. John Mark Solitario is from St. Thomas the Apostle Parish in ...

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