Videos

May 11, 2026

Priesthood and Mediation (Aquinas 101)

Priesthood and Mediation (Aquinas 101)

Priestly mediation is effectively about worship, because it's in worship that we attain to our purpose. God uses priests to facilitate our worship so that we might have more meaningful contact with the Lord. Fr. Gregory Pine, O.P., talks about the priesthood and mediation during this Aquinas 101 episode. ⭐…

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May 4, 2026

Defining Terms: Personhood (Aquinas 101)

Defining Terms: Personhood (Aquinas 101)

According to the ancient philosopher Boethius, a person is an individual substance of a rational nature. What is meant by the word “substance?” And what does it mean to have a rational nature? In this video, Fr. James Brent, O.P., breaks down Boethius’ definition of a person using St. Thomas…

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April 30, 2026

Wisdom, Contemplation, and Happiness – Jennifer Frey | Veritas 2025

Wisdom, Contemplation, and Happiness – Jennifer Frey | Veritas 2025

🎟 Register to attend Veritas 2026! https://thomisticinstitute.org/events/study-and-sanctity ⭐ Join Fr. Gregory Pine, O.P. and over 20,000 enrollees inside our FREE Aquinas 101 online learning platform! https://go.thomisticinstitute.org/register-youtube-a101. ❓ Questions you want answered? Make sure to put #AskAFriar in your comment! — SEND THE TRUTH TO THOUSANDS OF SOULS! — • Donate:…

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April 30, 2026

Why Study? Wonder and the Gateway to Contemplation – Fr. Ambrose Little, O.P. | Veritas 2025

Why Study? Wonder and the Gateway to Contemplation – Fr. Ambrose Little, O.P. | Veritas 2025

🎟 Register to attend Veritas 2026! https://thomisticinstitute.org/events/study-and-sanctity ⭐ Join Fr. Gregory Pine, O.P. and over 20,000 enrollees inside our FREE Aquinas 101 online learning platform! https://go.thomisticinstitute.org/register-youtube-a101. ❓ Questions you want answered? Make sure to put #AskAFriar in your comment! — SEND THE TRUTH TO THOUSANDS OF SOULS! — • Donate:…

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April 27, 2026

Dominican Friars Answer YOUR Questions! #AskAFriar (Aquinas 101)

Dominican Friars Answer YOUR Questions! #AskAFriar (Aquinas 101)

What started as "Big Questions, Little Answers," a q+a video series with Fr. Ambrose Little, O.P., has grown into 50 #AskAFriar episodes and counting! To mark this special occasion, we asked our followers on social media what they wanted to know about the Thomistic Institute friars. Fr. Ambrose Little O.P.,…

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April 22, 2026

What sets the human soul apart?

What sets the human soul apart?

According to St. Thomas, the soul is the form of the living body. It organizes it, animates it, and drives it to grow and act in certain ways. But what sets the human soul apart? What is human intelligence? As artificial intelligence continues to introduce ethical and philosophical questions, it's…

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April 20, 2026

What Is Human Intelligence? (Aquinas 101)

What Is Human Intelligence? (Aquinas 101)

Human beings are different from every other form of life on earth, because of all the forms of life on earth, human beings are intelligent. But what is intelligence? Join Fr. James Brent, O.P., as he breaks down the definition of human intelligence. ⭐ Join Fr. Gregory Pine, O.P. and…

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April 14, 2026

Where does Scripture talk aboout Christ's Priesthood?

Where does Scripture talk aboout Christ's Priesthood?

What does the New Testament say about the priesthood of Jesus Christ? In this episode, Fr. Jordan Schmidt, O.P., associate professor of Sacred Scripture at the Dominican House of Studies, will examine what it means for Jesus to be an eternal high priest, as well as the way ordained priests…

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April 13, 2026

Christ's Priesthood in the New Testament (Aquinas 101)

Christ's Priesthood in the New Testament (Aquinas 101)

What does the New Testament say about the priesthood of Jesus Christ? In this episode, Fr. Jordan Schmidt, O.P., will examine what it means for Jesus to be an eternal high priest, as well as the way ordained priests and all the lay faithful are able to participate in His…

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April 13, 2026

What is the Kyrie for?

What is the Kyrie for?

What is the structure and meaning of each part of the Mass? Why are different languages used throughout the Mass? Did Aquinas write any commentary on the Mass? Fr. Gregory Pine, O.P., answers these questions and more in the new episode of #AskAFriar! Comment "learn" and we'll send you the…

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March 30, 2026

Fr. Gregory Pine Explains the Order of the Mass #AskAFriar (Aquinas 101)

Fr. Gregory Pine Explains the Order of the Mass #AskAFriar (Aquinas 101)

What is the structure and meaning of each part of the Mass? Why are different languages used throughout the Mass? Did Aquinas write any extended commentary on the Mass, and if so, what did he say? Fr. Gregory Pine, O.P., answers these questions and more in this episode of #AskAFriar!…

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March 23, 2026

Priesthood in the Old Testament (Aquinas 101)

Priesthood in the Old Testament (Aquinas 101)

The ministerial priesthood of the new covenant didn’t spring out of thin air. It emerged as the fulfillment of the priesthood of ancient Israel. St. Thomas teaches that, just as priests of the Old Testament led the people in worship, instructed them, and blessed them, their work prefigured the one…

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March 16, 2026

Defining Terms: The Union of Body and Soul (Aquinas 101)

Defining Terms: The Union of Body and Soul (Aquinas 101)

Each human being is one person composed of both body and soul. The soul is what animates the body, organizes its parts, and makes us to be alive. But where does the soul come from? Do other living organisms have souls? And what would St. Thomas say about the ghost-in-the-machine…

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March 10, 2026

What is it we’ve created? #intelligence #artificialintelligence #humanity

What is it we’ve created?  #intelligence #artificialintelligence #humanity

⭐ Join Fr. Gregory Pine, O.P. and over 20,000 enrollees inside our FREE Aquinas 101 online learning platform! https://go.thomisticinstitute.org/register-youtube-a101. ❓ Questions you want answered? Make sure to put #AskAFriar in your comment! — SEND THE TRUTH TO THOUSANDS OF SOULS! — • Donate: https://go.thomisticinstitute.org/donate-youtube-a101 — AQUINAS 101 — • Subscribe…

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March 9, 2026

How Do You Define Human Nature and Person? (Aquinas 101)

How Do You Define Human Nature and Person? (Aquinas 101)

When we look at the world of nature around us, we observe many different kinds of things. God created each thing according to its kind, and each kind has its distinctive nature, including human beings. In this Aquinas 101 episode, Fr. James Brent, O.P., defines common nature and distinctive nature,…

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March 2, 2026

Exploring AI: What Is Intelligence in the Christian Tradition? (Aquinas 101)

Exploring AI: What Is Intelligence in the Christian Tradition? (Aquinas 101)

Artificial intelligence dazzles us: it recommends our music, generates photorealistic images, writes code, and more. But what does it mean to call AI “intelligent”? To answer that question, Prof. Jordan Wales, Ph.D., explores what intelligence means in the Christian tradition, then elaborates on the distinction between human intelligence and AI.…

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Feb. 23, 2026

Answering Your Questions on the Virtue and Practice of Penance

Answering Your Questions on the Virtue and Practice of Penance

Lent is a time for penance and sacrifice, and many viewers have submitted questions on the virtue of penance: “If I’m in the state of mortal sin, should I even bother with doing penance?” and “How does one practice the virtue of penance in one’s daily struggles?” In this #AskAFriar…

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Feb. 19, 2026

Many of us are tempted to lie

Many of us are tempted to lie

It's not too late to join our Training the Tongue Lent Challenge on the Aquinas 101 platform! The challenge is a completely free resource providing you each week of Lent with: 1. Selected passages from the book 2. Relevant passages from the Summa 3. And an exclusive video from Fr.…

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Feb. 16, 2026

Fr. Dominic's 5 Survival Tips for Dating (Aquinas 101)

Fr. Dominic's 5 Survival Tips for Dating (Aquinas 101)

Let’s face it: dating can be hard. Modern ideas of romance may leave us with a distorted view of what dating should be. Who better to clear up this topic than a Catholic priest? In this Aquinas 101 episode, Fr. Dominic Legge, O.P., lays out his five survival tips to…

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Feb. 13, 2026

Lent Challenge with Fr. Gregory Pine! (SPECIAL ANNOUNCEMENT)

Lent Challenge with Fr. Gregory Pine! (SPECIAL ANNOUNCEMENT)

Are you ready to grow beyond sins of speech, like gossip, lying, and detraction? To cultivate good humor and conversation? All for the purpose of communion with others and with God? Join us on the Aquinas 101 learning platform for weekly videos with Fr. Gregory Pine, O.P. this Lent! ⭐…

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Feb. 10, 2026

How do you properly discern your vocation?

How do you properly discern your vocation?

How do you properly discern your vocation? Oftentimes, God reveals our vocations slowly over time through the opportunities that arise in our lives, the passions and desires we find in our hearts, and the people the Lord puts in our path. Watch the full video: https://f.mtr.cool/lborqolkee In this episode of…

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Feb. 9, 2026

Finding "The One" (Aquinas 101)

Finding "The One" (Aquinas 101)

Many young Catholics wonder about their vocation, and it can be a challenge to know how to properly discern it and where to begin. Oftentimes, God reveals our vocations slowly over time through the opportunities that arise in our lives, the passions and desires we find in our hearts, and…

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Feb. 2, 2026

How Can I Prepare for Life with My Future Spouse? (Aquinas 101)

How Can I Prepare for Life with My Future Spouse? (Aquinas 101)

One may imagine a household simply as the place to form children, but a household can only rightly form the next generation if it is also the home of a vibrant adult life. How then should a young adult, or anyone preparing for marriage, think about and get ready for…

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Jan. 26, 2026

How Does Marriage Sanctify Spouses? (Aquinas 101)

How Does Marriage Sanctify Spouses? (Aquinas 101)

St. Thomas Aquinas wrote that every sacrament is a “sign of a holy thing so far as it makes men holy.” As a sacrament, matrimony has a special, supernatural power to make us holy. St. Benedict calls the monastery the workshop or school for monks to grow in holiness; for…

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