Section — Gury-Ballerini, Compendium of Moral Theology (8th ed., 1884)
§ II. On Things Necessarily to Be Known and Believed by Necessity of Precept
¶1.
These are the Apostles' Creed, the Decalogue, the Precepts of the Church, the Sacraments, the Lord's Prayer. - The Creed is required for believing rightly; the rest for acting rightly.