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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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Creed: §228 — Tolle Lege

Catechism

§228

Creed › … › Paragraph 1. I Believe in God

IN BRIEF

"Hear, O Israel, the LORD our God is one LORD..." (Dt 6:4; Mk 12:29). "The supreme being must be unique, without equal. . . If God is not one, he is not God" (Tertullian, Adv. Marc., 1, 3, 5: PL 2, 274).

Read in full at Vatican.va

Source: Catechism of the Catholic Church (Vatican.va)