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“Take up and read.” — St. Augustine

Tolle Lege

Sources — Sacred Scripture (eBible.org), Catechism and Papal Documents (Vatican.va, Papal Encyclicals Online), Church Fathers (New Advent).

Always refer to the official texts.

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Ad Petri Cathedram §15 — Tolle Lege

Encyclicals (Pre-V2)

Pope John XXIII

Ad Petri Cathedram §15

Ad Petri Cathedram

¹⁵ The weapons of truth, then, must be used in defense against these weapons of evil. We must strive zealously and relentlessly to ward off the impact of this great evil which every day insinuates itself more deeply.

Read in full at Vatican.va

Source: Ad Petri Cathedram (Vatican.va)