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Tolle Lege

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

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Mater et Magistra §224 — Tolle Lege

Encyclicals (Pre-V2)

Pope John XXIII

Mater et Magistra §224

Mater et Magistra: On Christianity and Social Progress

²²⁴ Our beloved sons, the laity, can do much to help this diffusion of Catholic social doctrine by studying it themselves and putting it into practice, and by zealously striving to make others understand it.

Read in full at Vatican.va

Source: Mater et Magistra (Vatican.va)