Catholic Saints Podcast – St. Thomas Aquinas
Augustine Institute | January 28, 2026
Host: Taylor Kemp
Guest: Dr. Christopher Mooney, Professor of Theology

Episode Overview

This episode of "Catholic Saints" from the Augustine Institute explores the life, impact, and legacy of St. Thomas Aquinas, perhaps the most influential theologian in Catholic history. Host Taylor Kemp and Dr. Christopher Mooney discuss what sets Aquinas apart among saints, his personal path to sanctity, his major works (especially the Summa Theologiae), the integration of faith and reason, and practical ways to be inspired by his example today.

Key Discussion Points & Insights

Who Was St. Thomas Aquinas?

• Introduction to Aquinas’s Importance

  • St. Thomas described as a “giant” both physically and intellectually ([00:48]).
  • Known as the “Common Doctor” or "Universal Doctor" — a teacher for the whole Church ([01:27]).
    • “The Church has often held up St. Thomas as the common doctor or as the universal doctor. So doctor here... means... a teacher.” (Dr. Mooney, [01:27])

• Distinguishing Features

  • Recognized for a unique excellence in theology and synthesis of faith and reason, as affirmed by St. John Paul II ([02:02]).

• Early Life and Call to the Dominicans

  • Born around 1225 in southern Italy, youngest son of a wealthy family; initially set on a Benedictine monastic path ([02:26]).
  • Chose the newly founded Dominican Order over traditional monasticism, showing courage and openness to the Church’s renewal ([03:28]-[04:11]).
    • “It shows something already of his courage and his willingness to follow Christ wherever he was leading.” (Dr. Mooney, [03:47])

Formation and Teaching Career

• Dominican Training and Influence
  • Studied under St. Albert the Great; quickly recognized for genius (“the dumb ox whose bellow will be heard worldwide”) ([06:30]).
  • Taught in Paris and Italy, focusing on theology, scripture, and doctrine ([06:30]-[07:34]).
    • “His main work was as a teacher.” (Dr. Mooney, [06:55])

The Summa Theologiae & Approach to Truth

• Nature and Impact of the Summa

  • The Summa Theologiae as his major work: "the sum of theology," structured for advanced students yet admired for clarity ([07:44]-[08:37]).
    • "People really admired from the beginning about St. Thomas's work... its clarity and simplicity. He always got right to the point." (Dr. Mooney, [08:31])

• Teaching as Charity

  • Aquinas's Q&A method took questions seriously, never giving “fake” answers, a sign of his commitment to helping genuine seekers ([09:10]-[10:20]).
    • “Aquinas will never give you a fake answer... He takes seriously the questions that people have because he wants to give a holistic picture of the truth.” (Dr. Mooney, [09:53])

• Holiness Through Teaching & Prayer

  • Holiness is found in his total dedication to teaching and his humility ([11:26]-[12:39]).
  • Personal prayer integral to his scholarship—often credited insight to prayer rather than intellect ([12:39]).
    • “No, he said, every good insight I ever had, I obtained in prayer.” (Dr. Mooney, [12:39])

• Integration of Prayer and Study

  • Tradition of Aquinas praying at the tabernacle when faced with difficult questions ([13:25]-[13:31]).

How to Approach Aquinas Today

• Getting Started
  • Suggests starting with resources produced by modern Dominicans, especially the video series "Aquinas 101" ([14:35]).
  • Recommends reading accessible biographies:
    • G. K. Chesterton’s St. Thomas Aquinas
    • Dennis Turner’s Thomas Aquinas: A Portrait ([14:35]-[15:53])
  • Notes the linguistic and philosophical background needed to read Aquinas directly, making guides helpful ([15:55]).

Aquinas, Aristotle, and the Integration of Philosophy

• Aquinas’s Controversy and Synthesis

  • His use of Aristotle was initially controversial; some propositions were condemned in Paris posthumously ([17:15]).
  • Maintained that truth from reason (philosophy) and faith (revelation) cannot contradict ([17:15]-[18:10]).
    • “He thought there really is only one truth, and truth cannot contradict truth...” (Dr. Mooney, [18:10])
  • Saw value in learning from all sources and integrating insights for a greater "holistic synthesis," a charitable, fearless search for truth ([18:44]-[19:23]).

• Relevance Today

  • Aquinas as a model for bridging old and new, faith and science, without fear—an attitude needed in a polarized world ([19:39]-[20:54]).
    • “He walked a very nice fine line where he was willing to be open to all, take in and synthesize, and then come out with something that was truly faithful to Christ and to the truth generally...” (Taylor Kemp, [19:39])

Lessons for Modern Life

• Living St. Thomas’s Legacy
  • Integrate faith, reason, prayer, and charity toward others in our own practices ([21:10]).
  • Beautiful story: After completing his work on the Eucharist, Christ appears to Thomas and says, “You have written well of me, Thomas. What would you like as a reward?” Aquinas replies, “Nothing but you, Lord.” ([21:10]-[22:37])
    • “What God truly wants, scandalously, is to be friends with us… And that’s why Christ makes himself present in the Eucharist for us.” (Dr. Mooney, [21:10])

Notable Quotes & Memorable Moments

• On Aquinas’s Role:
  “St. Thomas Aquinas is a giant in the history of Christian thought... But even more, he's a theological giant.” (Dr. Mooney, [00:48])

• On the Synthesis of Faith and Reason:
  “St. John Paul II said that in Thomas Aquinas, that Thomas Aquinas obtained the most elevated synthesis of faith and reason that anyone has ever obtained.” (Dr. Mooney, [02:02])

• On Academic Charity:
  “Aquinas will never give you a fake answer… He takes seriously the questions that people have because he wants to give a holistic picture of the truth.” (Dr. Mooney, [09:53])

• On Where His Insight Came From:
  “No, he said, every good insight I ever had, I obtained in prayer.” (Dr. Mooney, [12:39])

• On Integrating Truth:
  “He thought there really is only one truth, and truth cannot contradict truth.” (Dr. Mooney, [18:10])

• On Aquinas’s Prayerful Heart:
  “Afterwards, when he was in prayer, the Lord himself appeared to him and said, ‘You have written well of me, Thomas. What would you like as a reward?’ And he said, ‘Nothing but you, Lord.’” (Dr. Mooney, [21:10])

Timestamps for Important Segments

• 00:48 – Introduction to Aquinas’s legacy and physical/theological stature
• 02:02 – St. John Paul II on Aquinas’s synthesis of faith and reason
• 03:28-04:47 – Early life, choice of Dominican order, courage and innovation
• 06:30 – Training under St. Albert the Great, start of teaching career
• 07:44 – The Summa Theologiae (structure, intent, clarity)
• 09:10-10:20 – Approach to questions and truth, method
• 12:39 – Aquinas’s humility and prayer as source of insight
• 13:25 – Anecdote: Resting head on the tabernacle for inspiration
• 14:35 – Recommendations for beginners (Aquinas 101, Chesterton, Turner)
• 17:15 – The controversy over Aristotle and posthumous condemnation
• 18:10 – Faith and reason, truth’s unity
• 21:10 – The Eucharist, friendship with God, Aquinas’s prayerful response

Practical Takeaways

• For Teachers and Students: Aquinas is a model for rigorous curiosity, humble pursuit of truth, and fusing prayer with study.
• For All Catholics: Integration of faith, reason, charity, and humility—seek the truth wherever it is found without fear, always rooted in Christ.
• For Beginners: Start with accessible guides and the Aquinas 101 series, and remember that even Aquinas’s deepest thought flowed from prayer.

Further Resources Mentioned

• Aquinas 101 (Dominicans’ video series)
• Books:
  • St. Thomas Aquinas by G. K. Chesterton
  • Thomas Aquinas: A Portrait by Denys Turner
• Online Works:
  • Summa Theologiae on NewAdvent.org

Episode Tone:
Respectful, engaging, slightly academic but accessible, and warmly devotional—reflecting both intellectual admiration and spiritual reverence for St. Thomas.

For listeners inspired to deepen their faith and knowledge, St. Thomas Aquinas remains a universal guide—teaching us how to love God with heart, mind, and soul.