Chapter 2 — Part I: The Creed — Introduction on Faith and the Creed
Section 7. Division Of The Creed — Christianity proposes to the faithful many truths which, either separately or in general, must be held with an assured and firm faith. Among these what must first and necessarily be believed by all is that which God Himself has taught us as the foundation and summary of truth concerning the unity of the Divine Essence, the distinction of Three Persons, and the actions which are peculiarly attributed to each. The pastor should teach that the Apostles, Creed briefly comprehends the doctrine of this mystery.