Primacy
A glossary entry defining primacy in ecclesial and theological usage.
Read more...Fides Patrum
Welcome. This site teaches Catholic and Eastern Orthodox catechism with clarity, charity, and primary-source grounding.
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What Is the Eucharist?
An Eastern Orthodox catechetical explanation of the Eucharist.
Read more...What Is the Eucharist?
A Catholic catechetical explanation of the Eucharist.
Read more...What Is Sacred Tradition?
A beginner introduction to Sacred Tradition as the living transmission of the apostolic faith.
Read more...Theosis
A glossary entry defining theosis as participation in the divine life by grace.
Read more...Catholic and Orthodox Views of the State of the Dead
A comparative study of Catholic and Eastern Orthodox teaching on the dead, postmortem purification, and prayer for the departed.
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