Videos

Dec. 1, 2025

Natural Family Planning (Aquinas 101)

What is Natural Family Planning (NFP), and why do many Catholics use it? What does the Church say about NFP? How does NFP differ from contraception? In this video, the Peters share how Natural Family Planning contributes to the goods of marriage while reflecting on their personal experience practicing NFP.…

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Nov. 24, 2025

Parenthood: Sharing in Christ's Priesthood (Aquinas 101)

Thomas Aquinas writes that marriage has a threefold good: first, the birth and education of children; second, the fidelity of spouses; and third, that it is a sacrament. In this Aquinas 101 episode, the Peters break down the first good of marriage while sharing their experience as parents. ⭐ Join…

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Nov. 17, 2025

The Importance of Friendship in Marriage (Aquinas 101)

Friends share life together, and the fact that husbands and wives share their entire lives would seem to make them best friends. By examining Aquinas’s understanding of friendship, we can gain insight into the connection he makes between strong friendships and strong marriages. Join Dr. and Prof. Peters in this…

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Nov. 10, 2025

Can We Love the Devil? #AskAFriar (Aquinas 101)

Can we love and forgive the Devil? What about other demons? Find out what St. Thomas Aquinas has to say about the subject in this #AskAFriar episode with Fr. Ambrose Little, O.P. ❓ Questions you want answered? Make sure to put #AskAFriar in your comment! ⭐ Join Fr. Gregory Pine,…

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Nov. 3, 2025

What Is an Annulment? (Aquinas 101)

What is an annulment? How is it different from divorce? Marriage is a lifelong, exclusive union between a man and a woman for their mutual support and the bearing and raising of children. Unfortunately, marital failure can occur. But, why do marriages fail? How do we handle these heartbreaking situations?…

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Oct. 27, 2025

Does Marriage Perdure in Heaven? (Aquinas 101)

Is there marriage in Heaven? Why or why not? What role does the sacrament of marriage play after earthly life? In this video, Fr. Cajetan Cuddy, O.P., examines the sacrament of marriage in relation to eternity. — SEND THE TRUTH TO THOUSANDS OF SOULS! — • Donate: https://go.thomisticinstitute.org/donate-youtube-a101 ⭐ Join…

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Oct. 20, 2025

Marriage as Mutual Service and Consecration in Christ (Aquinas 101)

In marriage, spouses lay down their lives as single persons and take them up again as married persons. They become one flesh, husband and wife, father and mother. Drawing from St. Paul’s letter to the Ephesians, this Aquinas 101 episode shows how the sacrament of marriage images Christ’s covenant love…

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Oct. 17, 2025

Beyond but Not Against Nature: How Grace Perfects and Transforms Nature – Fr. Cajetan Cuddy, O.P.

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 About the speaker: Fr. Cajetan Cuddy, O.P., is a priest of the Dominican Province of St. Joseph. He serves as the general…

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Oct. 14, 2025

Order of celebrating matrimony

⭐ 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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Oct. 13, 2025

What Happens at a Catholic Wedding?

The marriage liturgy is never private, but a celebration of the whole Church. The central action of the marriage rite is the exchange of consent between the bride and groom, but we prepare for and unpack the graces of that moment through the prayers and readings of the liturgy. In…

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Oct. 10, 2025

Thomistic Wisdom for the Pilgrimage to God I Prof. John Cuddeback

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 About the speaker: John A. Cuddeback, PhD, is professor of Philosophy at Christendom College, where he has taught for thirty years. He…

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Oct. 6, 2025

Paying Attention and Prayer Intentions: How Can I Improve My Prayer? #AskAFriar (Aquinas 101)

Are you looking for tips on how to recite the prayers of the rosary while meditating on the mysteries? Are you curious to know if a long list of intentions diminishes the efficacy of our prayers? If so, tune in to the latest #AskAFriar episode with Fr. Ambrose Little, O.P.,…

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Oct. 3, 2025

From Nature to Norm: How to Derive 'Ought' From 'Is' I Prof. Catherine Peters

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 About the speaker: Catherine Peters is an associate professor of medieval philosophy at Loyola Marymount University in Los Angeles, California. Her work…

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Sept. 30, 2025

What makes a valid marriage vow?

Watch our latest video to hear Fr. Langevin unpack this topic! ⭐ 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…

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Sept. 29, 2025

What Makes a Valid Marriage Vow? (Aquinas 101)

Discover the essential parameters that make a marriage vow truly valid in this episode of Aquinas 101. Fr. Dominic Langevin, O.P., breaks down the physical, intellectual, volitional, social, and religious requirements— from free consent and the public exchange of vows to openness to children— that turn “I do” into a…

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Sept. 26, 2025

Usefulness and Elegance in Mathematics I Prof. Meraiah Martinez

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 About the speaker: Meraiah Martinez grew up moving between California and Colorado and graduated from BC in 2019. She received her M.S.…

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Sept. 23, 2025

Ask A Friar - Is God Simple?

⭐ 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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Sept. 22, 2025

Exploring Divine Simplicity and the Incarnation #AskAFriar (Aquinas 101)

Aquinas argues that God is simple, but how does this square with the Incarnation? How does St. Thomas explain this in connection with divine simplicity and the hypostatic union in Christ? In this #AskAFriar episode, Fr. Gregory Pine, O.P., tackles these viewer-submitted questions about God’s simplicity and the Incarnation by…

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Sept. 19, 2025

How Many Friends Should I Have? I Fr. Aquinas Guilbeau, OP

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 About the speaker: A native of Louisiana, Fr. Aquinas Guilbeau, O.P., entered the Dominican Province of St. Joseph in 2005. After several…

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Sept. 18, 2025

Indissolubility of Marriage

⭐ 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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Sept. 15, 2025

Why Is Marriage Indissoluble? (Aquinas 101)

Why doesn’t the Catholic Church allow divorce? For many people, this is one of the hard things about Catholicism. Why won’t the Church change this teaching? In this episode of Aquinas 101, join Fr. Dominic Legge, O.P., as he discusses the topics of indissolubility and fidelity in marriage. ⭐ Join…

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Sept. 11, 2025

The TI and Your Vocation I Fr. Gregory Pine, O.P.

⭐️ Donate $5 today to help keep these videos FREE for everyone! You can pay it forward for the next viewer: https://go.thomisticinstitute.org/donate-youtube-a101 Subscribe to our channel here: https://www.youtube.com/c/TheThomisticInstitute?sub_confirmation=1 Secular campuses are being transformed, but the students need your help! Your gift before September fifteenth can launch a new TI chapter…

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Sept. 9, 2025

What's the goal? #wedding #marriagevows #marriagelife #marriage

⭐ 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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Sept. 8, 2025

What Is the Goal of Marriage? (Aquinas 101)

What is the goal or end of marriage? In offering consent to a lifelong bond, where exactly are married couples headed? In this episode of Aquinas 101, join Fr. Gregory Pine, O.P., as he presents the Catholic Church's teaching on the two ends of marriage. ⭐ Join Fr. Gregory Pine,…

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