2.2. Who has the authority to interpret Scripture and determine what is Apostolic Tradition?

2 - Doctrine Heresy and the Preservation of the Faith
Written By Steve John

Only the Magisterium of the Catholic Church—the pope and the bishops in union with him—has the divinely instituted authority to authentically interpret Scripture and Tradition. Christ established His Church as a teaching authority (cf. Matt. 28:19–20), and promised that the Holy Ghost would guide it into all truth (John 16:13).

This prevents confusion and doctrinal chaos. Without the Magisterium, anyone could claim to “discover” new meanings or traditions and lead souls astray. The Magisterium safeguards the unity, purity, and apostolic continuity of the Catholic faith.

Steve John
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2.1. What are the sources of divine revelation in the Catholic Church?
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2.3. Can doctrine develop over time, as Cardinal Newman wrote?