Catholic source reading

What is mortal sin?

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Why Be Catholic and Not Just Christian?

Ascension Presents

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A broad case for belonging to the visible Catholic Church while following Christ.

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Watch · intermediate

What Would It Mean to ‘Prove’ God Exists?

The Thomistic Institute · Aquinas 101

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Introduces philosophical reasoning about God’s existence and what a proof can establish.

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The Catechism in a Year

Ascension · Fr. Mike Schmitz

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A free 365-episode journey through the entire Catechism, useful when a visitor wants a structured course rather than one answer.

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Why Be Catholic and Not Just Christian?

Ascension Presents · exact title, publisher and access checked 2026-09-11.

What Would It Mean to ‘Prove’ God Exists?

The Thomistic Institute · Aquinas 101 · exact title, publisher and access checked 2026-09-11.

The Catechism in a Year

Ascension · Fr. Mike Schmitz · exact title, publisher and access checked 2026-09-11.

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Source readingVerify

Catechism 1854–1864: mortal and venial sin

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Official papal approval or promulgation

Catechism 1854–1864: mortal and venial sin

English text published by the Holy See; consult the publisher for current amendments

Pope John Paul II · 1992-10-11

Verified 2026-09-10. This record covers the listed work, not other material linked by its publisher.

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