Preambles of the faith
| Latin | Praeambula fidei |
|---|---|
| Typical contents | God's existence and attributes knowable from the world; the possibility of revelation |
| Principal loci | ST I, q. 2; Super Boethium De Trinitate; CCC 31–38, 156–159 |
| Doctrinal standing | The competence of reason and the distinction from mysteries are Catholic doctrine; lists of preambles are theological |
Preambles of the faith are truths knowable by natural reason that the act of faith presupposes and that sacred doctrine can demonstrate, without those truths themselves being the revealed mysteries or the infused virtue of faith.[1][2]
Truths reason can know before the mysteries
The Latin praeambula fidei names truths that walk in front of faith without being faith. Chief among them are that God exists, that he is one and truthful, that the human person can know truth and is morally responsible, and that God can reveal himself. A mind that denies truth, or denies that God can speak, has not yet a place on which to receive testimony. The preambles clear that ground.
A preamble can also be revealed. God's existence is known from the world and is also confessed in the Creed. The same proposition can therefore be held under different formal motives: as demonstrated, or as believed on God's authority. Demonstration does not become the infused virtue merely because its conclusion concerns God. Faith does not make the demonstration false. Thomas's Super Boethium De Trinitate is a principal place for this distinction between what is demonstrated of God and what is believed.[3]
Dei Filius and the Catechism
Vatican I defined both the natural knowability of God and the existence of mysteries that reason cannot demonstrate. It also taught that faith is reasonable, that external signs make revelation credible, and that the assent of faith is nonetheless not the conclusion of a syllogism but a free act under grace. The preambles live in that architecture. They are not motives of credibility in the strict sense—the miracles, prophecies, and notes of the Church—though the two labors overlap in apologetic practice.[1]
The Catechism teaches that faith is not contrary to reason, that the signs of revelation are suited to the intellect, and that the grace of faith still exceeds them. Benedict XVI, presenting Thomas, assigned reason the task of demonstrating the preambles, illuminating mysteries by analogy, and answering objections. That papal catechesis is a reliable guide to the Catholic use of the term. It is not a new list of defined preambles.[2][4]
Aquinas's account
In the Summa, the question whether God exists is treated as demonstrable, and sacred doctrine uses those demonstrations. Mysteries such as the Trinity are not demonstrated and then believed; they are believed, and reason shows that they are not contradictory and that analogies help. The Sentences commentary and the Boethian exposition already work with this division. Later Thomists tabulated the preambles more neatly than Thomas himself tabulated them. The tables are school helps.[5]
Thomas does not treat the preambles as a Pelagian porch that a man must finish before grace may enter. Grace can and does move those who have never constructed a proof. The point is ontological and pedagogical, not a barrier at the baptistery. Reason is capable. Faith is supernatural. The two orders meet in one person without confusion. Fideism despises the first. Rationalism absorbs the second.
Use and misuse
In preaching and in fundamental theology, the preambles remain useful whenever a culture doubts whether anything is true, whether a world can show a Creator, or whether a God could speak. They are not a secular replacement for the Gospel. No preamble is the Incarnation. No preamble is the Eucharist. The Church evangelizes by announcing Christ, while refusing to treat that announcement as an insult to the intellect.
Lists vary. Some authors include the spirituality of the soul, some the natural law, some the historical possibility of miracle. Those inclusions are theological judgments. The defined core is smaller: reason can know God from the world; revelation is possible; faith and reason do not contradict. Thomism is the Latin tradition's most exact cultivation of that core. It remains a school in the service of a council, not a council in the service of a school.
References
- Back to citation occurrence 1.0 Back to citation occurrence 1.1 First Vatican Council, Dei Filius — Dogmatic constitution on God the Creator, the natural knowability of God, the distinction and harmony of the natural and supernatural orders, and the gratuity of revelation.
- Back to citation occurrence 2.0 Back to citation occurrence 2.1 Catechism of the Catholic Church, 31–38 — Authoritative teaching that God can be known with certainty from created things by the natural light of reason, and of the conditions that make this knowledge difficult.
- Back to citation Thomas Aquinas, Super Boethium De Trinitate — Unfinished exposition of Boethius on the Trinity, treating knowledge of God, the preambles of faith, and the division of the sciences.
- Back to citation Benedict XVI, general audience on Saint Thomas Aquinas, 16 June 2010 — Papal catechesis on reason's service of faith by demonstrating preambles, illuminating mysteries by analogy, and answering objections.
- Back to citation Thomas Aquinas, Summa theologiae I, question 2, article 3 — The five ways, including the third way from possible and necessary being and the fifth way from the governance of things.