Aaron Seng

Aaron Seng is the president of Tradivox and general editor of the Catholic Catechism Index, a twenty-volume collection of traditional Catholic catechisms published by Sophia Institute Press.

recent articles

Weaponized Catechisms

Recent updates to Canon Law make it likely that we’ll see new and updated catechisms being used to propagate errors in faith and morals—a kind of “viral vector” for doctrinal innovation.


Cardinal Cupich and The Big Lie

Cardinal Blase Cupich recently furthered The Big Lie of our times. This Lie of surpassing Bigness is not the systematic cover-up of decades of sexual abuse by ecclesiastical authorities, although this can certainly be laid at their feet. Neither is it the strange eagerness of many bishops to promote illegal immigration, resettlement, and the mass … Read more


The Catechism Crisis

We are currently witnessing the greatest catechetical crisis in the history of the Church. In 2018, Pope Francis revised the Catechism of the Catholic Church (CCC) to change its teaching on the death penalty—a controversy that continues to be challenged by cardinals, bishops, priests, and theologians around the world. But that was just the beginning. … Read more

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