Catholicism Beyond Basics

Catholicism Beyond Basics

Mortal Sin: What It Is, How to Recognize It, and Why It Matters

Understanding the Three Conditions of Mortal Sin and How It Affects Your Soul

Nayrab O'Brian's avatar
Nayrab O'Brian
Mar 17, 2025
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When Is a Sin Mortal?

We all know some actions are morally wrong, but when does a sin become mortal? According to 1 John 5:16-17, there is sin that leads to spiritual death and sin that does not. The …

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