Saint John Henry Newman - Development of Doctrine, Conscience, and the Sense of Faith
John Henry Newman is a Doctor of the Church. His theology explains how Catholic doctrine may develop, what significance conscience holds, and what responsibility the faithful bear.
Today the Catholic Church celebrates Saint John Henry Newman (1801–1890). The English priest and cardinal was canonized by Pope Francis on 13 October 2019 and declared a Doctor of the Church by Pope Leo XIV on 1 November 2025.
Newman was originally an Anglican clergyman. His intensive study of the history and teaching of the early Church eventually led him to the Catholic faith. On 9 October 1845 he was received into the Catholic Church.
His theology deals with fundamental questions of the Catholic faith: How can doctrine develop further? What significance does conscience hold? And what responsibility do the faithful bear for preserving the faith?
The Development of Doctrine
For two thousand years the Church has proclaimed faith in Jesus Christ. Yet her teaching contains concepts and dogmatic formulations that only emerged centuries after the apostles. Newman devoted extensive thought to the question of how such developments are to be understood at all.
First of all, for him development belongs to life itself. He summarized his reflections in a well-known sentence: “Here below to live is to change, and to be perfect is to have changed often” (Essay on the Development of Christian Doctrine, ch. I).
However, a doctrine can also develop in a false direction. Newman therefore distinguishes between a genuine development and a “corruption”, that is, a falsification. A doctrine has its own history, which must be taken into account in every later development. Its essential principles and original content of faith must be preserved (Newman, Essay on the Development of Christian Doctrine, ch. V).
This can be seen at the Council of Nicaea in the year 325. At that time the Church was in dispute over the divinity of Jesus Christ. Arius taught that the Son of God was not God in the same way as the Father. The Council rejected this view and confessed Christ as homoousios, of one substance with the Father.
This Greek term appears nowhere in the New Testament. Nevertheless, it was included in the Creed because it expressed a truth that already belonged to the apostolic faith. In this way the Church was able to define more precisely what she had believed about Jesus Christ from the beginning (Newman, Essay on the Development of Christian Doctrine, ch. IV).
Newman names seven notes by which such a development can be judged. These include the preservation of the original form of a doctrine, the continuity of its principles, and the capacity to assimilate new insights. He describes the obligation toward previous tradition with particular clarity: a later teaching must shed light on what came before rather than obscure it, and confirm it rather than correct it: “illustrates, not obscures, corroborates, not corrects” (Newman, Essay on the Development of Christian Doctrine, ch. V). Developments that reverse or contradict the previous course of a doctrine Newman explicitly describes as corruptions (Newman, Essay on the Development of Christian Doctrine, ch. V, §6).
As early as the fifth century, Vincent of Lérins compared the development of faith to the growth of a human being. A child becomes an adult. The form changes over the course of life, yet it remains the same person (Vincent of Lérins, Commonitorium).
Newman too draws on the image of organic growth. Over the centuries, the Church can arrive at a deeper understanding of her teaching. In doing so, she must repeatedly examine whether a new formulation corresponds to the faith handed down.
Conscience and the Faith of the Faithful
In 1874 the British politician William Ewart Gladstone accused Catholics of having surrendered their intellectual and civic freedom through the definition of papal infallibility at the First Vatican Council. Newman responded in 1875 with a letter (Letter Addressed to the Duke of Norfolk on Occasion of Mr. Gladstone's Recent Expostulation).
This text is the source of his famous toast. Newman writes explicitly about the hypothetical situation of being forced to bring religion into an after-dinner toast. He would, of course, drink to the Pope, but first to Conscience, and to the Pope afterwards: “to the Pope, if you please,—still, to Conscience first, and to the Pope afterwards” (Letter to the Duke of Norfolk, chap. V).
Give vocations a future
Priesterausbildungshilfe supports the formation of priests – especially where resources are scarce. Every donation goes directly to their formation.
For Newman, conscience possesses an extraordinary dignity. He even calls it “the aboriginal Vicar of Christ” (Letter to the Duke of Norfolk, chap. V), the original vicar of Christ within us. For in conscience each of us experiences a moral obligation that makes us answerable before God (Letter to the Duke of Norfolk, chap. V).
This exalted position has little to do with the idea that everyone can decide for themselves what is morally right. Newman explicitly criticizes a “counterfeit”of conscience, in which freedom of conscience becomes a “right of self-will”(Letter to the Duke of Norfolk, chap. V). His own formula states: “Conscience has rights because it has duties” (Letter to the Duke of Norfolk, chap. V). In other words, man must form his conscience, seek the truth, and be ready to examine his own wishes and ideas.
This is why Newman also took the possibility of a conflict of conscience seriously. Even in the face of a specific papal command, a duty of conscience can exist. Such a case, however, demands careful examination and the firm conviction that obedience to a specific papal command would constitute a sin (Newman, Letter to the Duke of Norfolk, chap. V).
Besides the personal conscience, Newman was also concerned with the faith of the whole Church. In this he directed his attention especially to the ordinary faithful and their significance for the preservation of the apostolic tradition.
Newman published in the Rambler the essay On Consulting the Faithful in Matters of Doctrine, in German: „Über die Befragung der Gläubigen in Fragen der Glaubenslehre“. Even the title provoked resistance. Bishop William Bernard Ullathorne objected to Newman's wording, because “consulting” could be understood to mean that the Church's hierarchy had to ask the ordinary faithful for advice. Newman then explained that he used the word in the sense of “ascertaining” or “making inquiry about”: the faith of the faithful can be examined as a witness to what is actually believed in the Church (,1859).
His strongest historical example was the Arian crisis of the fourth century. Numerous bishops came under political and theological pressure. Some supported Arian positions, others wavered uncertainly. At the same time, many ordinary faithful held fast to the faith of Nicaea. Newman did not shy away from naming the failure of many bishops at the time. In his later note on “The Orthodoxy of the Body of the Faithful during the Supremacy of Arianism,” he wrote that the laity had held fast to the Catholic faith during this crisis and had been “obstinate champions of Catholic truth,”that is, „hartnäckige Verteidiger der katholischen Wahrheit“, (,Appendix, Note V).
With this, Newman drew attention to the sensus fidelium, the sense of the faith of the faithful. The Catholic faith is borne by the whole Church. The faithful receive it through preaching, the sacraments, and life within the Church. Their fidelity to the apostolic tradition therefore also holds significance for the history and self-understanding of the Church, which must not be overlooked.
Newman showed, by means of the Arian crisis, that even in times of great ecclesial confusion, the faithfulness of believers to the handed-down faith can be of great importance.
Why John Henry Newman as a Doctor of the Church matters today
John Henry Newman knew from his own life the difficulties bound up with the search for truth. His turn to the Catholic Church cost him friendships, social standing, and his former ecclesial home. Nevertheless, he followed the conviction to which his theological studies had led him.
The theology of this saint remains significant for the Catholic Church today. His thoughts on the development of doctrine show according to which criteria the Church can answer new questions and deepen her handed-down teaching. In doing so, the apostolic tradition remains the standard of every development.
Newman's understanding of conscience and of the sensus fidelium also deserves attention. Conscience obliges every Catholic to seek the truth and to act accordingly. The sense of the faith of the faithful, in turn, shows how important fidelity to the received faith is for the whole Church.
As a Doctor of the Church, John Henry Newman reminds us that the preservation of the Catholic faith is a task for the whole Church. His writings still help us today to understand the limits of the development of doctrine, to rightly place conscience, and to take seriously the responsibility of the faithful for the apostolic tradition.
About Lukasz Holfeld
Editor / author at Priesterausbildungshilfe.
Stay informed
Subscribe to our free newsletter and receive the most important news from Church and society directly in your inbox.
Completely free of charge. Unsubscribe at any time with a single click.
Comments (0)
Loading comments...