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Sep 23, 2026 4 min

Introduction to the Commonitorium

from Through the Church Fathers

Today’s Readings Podcast Description How do we know what the Church has always believed when new teachings arise? In this introduction to Vincent of Lérins’ Commonitorium, we meet a fifth-century monk who wrote a short, clear handbook for testing doctrine against the long memory of the faith. Written around 434 on the island of Lérins, the work offers a simple yet searching rule: what has been believed everywhere, always, and by all. It remains one of the most practical guides ever written for holding the center of the Christian faith. Readings: Vincent of Lérins — Commonitorium (Introduction) Explore the Project: Through the Church Fathers – https://www.throughthechurchfathers.com Patreon – https://www.patreon.com/cmichaelpatton Credo Courses – https://www.credocourses.com Credo Ministries – https://www.credoministries.org #ThroughTheChurchFathers #VincentOfLerins #Commonitorium #RuleOfFaith #ChurchFathers #Orthodoxy

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Introduction to the Commonitorium

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This episode was published on September 23, 2026.

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