Uploaded April 2026 | Updated September 2026, 1 week ago

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Aquinas 101 is a project of the Thomistic Institute that seeks to promote Catholic truth through short, engaging video lessons. You can browse earlier videos at your own pace or enroll in one of our FREE Aquinas 101 courses on St. Thomas Aquinas and his masterwork, the Summa theologiae. In these courses, you'll learn from expert scientists, philosophers, and theologians—including Dominican friars from the Province of St. Joseph. Enroll today at go.thomisticinstitute.org/register-youtube-a101. And don’t forget to like and share with your friends, because it matters what you think!

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