The rule of faith (, ) is the name given to the ultimate authority in Christian belief or fundamental
hermeneutic
Hermeneutics () is the theory and methodology of interpretation, especially the interpretation of biblical texts, wisdom literature, and philosophical texts. As necessary, hermeneutics may include the art of understanding and communication.
...
(interpretive) standard (e.g., for biblical interpretation.). It was used by
Early Christian
Early Christianity, otherwise called the Early Church or Paleo-Christianity, describes the historical era of the Christian religion up to the First Council of Nicaea in 325. Christianity spread from the Levant, across the Roman Empire, and be ...
writers such as
Tertullian
Tertullian (; ; 155 – 220 AD) was a prolific Early Christianity, early Christian author from Roman Carthage, Carthage in the Africa (Roman province), Roman province of Africa. He was the first Christian author to produce an extensive co ...
. The phrase is sometimes used for early creeds.
Meaning
Joseph Fitzmyer
Joseph Augustine Fitzmyer (November 4, 1920 – December 24, 2016) was an American Catholic priest and scholar who taught at several American and British universities. He was a member of the Society of Jesus (Jesuits).
Fitzmyer was considered ...
notes that the rule of faith () (where 'rule' has the sense of a measure such as a ruler) is a phrase rooted in the
Apostle Paul
Paul, also named Saul of Tarsus, commonly known as Paul the Apostle and Saint Paul, was a Apostles in the New Testament, Christian apostle ( AD) who spread the Ministry of Jesus, teachings of Jesus in the Christianity in the 1st century, first ...
's admonition to the
Christians in Rome in the
Epistle to the Romans
The Epistle to the Romans is the sixth book in the New Testament, and the longest of the thirteen Pauline epistles. Biblical scholars agree that it was composed by Paul the Apostle to explain that Salvation (Christianity), salvation is offered ...
, which says, "We have different gifts, according to the grace given us. If a man's gift is prophesying, let him use it in proportion to his faith." (
NIV, 1984)
The last phrase, "in proportion to his faith" is in Greek κατὰ τὴν ἀναλογίαν τῆς πίστεως ("analogy of faith"). In Romans 12:6 this refers to one of three possible ideas: the body of Christian teachings, the person's belief and response to the grace of God, or to the type of faith that can move mountains.
Second century usage
In the early church,
Irenaeus
Irenaeus ( or ; ; ) was a Greeks, Greek bishop noted for his role in guiding and expanding Christianity, Christian communities in the southern regions of present-day France and, more widely, for the development of Christian theology by oppos ...
was writing in the second century about the "rule of faith" or "rule of truth." In ''
Against Heresies
''Against Heresies'' (Koine Greek: Ἔλεγχος καὶ ἀνατροπὴ τῆς ψευδωνύμου γνώσεως, ''Elenchos kai anatropē tēs pseudōnymou gnōseōs'', "Refutation and Overthrowal of Knowledge falsely so-called"), som ...
''
1.9.4 he talks about it being received by baptism and continues, in the next chapter, to explain:
Elsewhere, in the preface to his ''The Demonstration of the Apostolic Preaching'', Irenaeus reiterates the need to "hold the rule of the faith without deviation."
He goes on again to express the rule of faith across three points or articles:
Third century usage
Tertullian
Tertullian (; ; 155 – 220 AD) was a prolific Early Christianity, early Christian author from Roman Carthage, Carthage in the Africa (Roman province), Roman province of Africa. He was the first Christian author to produce an extensive co ...
uses the phrases "rule of faith" and "rule of truth":
Fourth century usage
In the
4th century of Christianity, the Rule of Faith became equated with the
Old Roman Symbol, which was an earlier and shorter version of the
Apostles' Creed
The Apostles' Creed (Latin: ''Symbolum Apostolorum'' or ''Symbolum Apostolicum''), sometimes titled the Apostolic Creed or the Symbol of the Apostles, is a Christian creed or "symbol of faith".
"Its title is first found c.390 (Ep. 42.5 of Ambro ...
and other later statements of faith. The Old Roman Symbol was based on the 2nd-century Rule of Faith and the interrogatory declaration of faith for those receiving
Baptism
Baptism (from ) is a Christians, Christian sacrament of initiation almost invariably with the use of water. It may be performed by aspersion, sprinkling or affusion, pouring water on the head, or by immersion baptism, immersing in water eit ...
(
3rd century or earlier),
[.] which by the fourth century was everywhere tripartite in structure, following ("baptizing them in the name of the
Father
A father is the male parent of a child. Besides the paternal bonds of a father to his children, the father may have a parental, legal, and social relationship with the child that carries with it certain rights and obligations. A biological fat ...
and of the
Son and of the
Holy Spirit
The Holy Spirit, otherwise known as the Holy Ghost, is a concept within the Abrahamic religions. In Judaism, the Holy Spirit is understood as the divine quality or force of God manifesting in the world, particularly in acts of prophecy, creati ...
"), which is part of the
Great Commission
In Christianity, the Great Commission is the instruction of the Resurrection appearances of Jesus, resurrected Jesus Christ to his disciple (Christianity), disciples to spread the gospel to all the nations of the world. The Great Commission i ...
. According to the Oxford Dictionary of the Christian Church, the first text attesting it is a letter to
Pope Julius I in 340 or 341, and it has recently been argued that it developed in the context of the
Arian controversy
The Arian controversy was a series of Christian disputes about the nature of Christ that began with a dispute between Arius and Athanasius of Alexandria, two Christian theologians from Alexandria, Egypt. The most important of these controversies c ...
.
As a historical standard for adherence to orthodoxy, rule of faith may also refer to other statements of faith including the
Nicene Creed
The Nicene Creed, also called the Creed of Constantinople, is the defining statement of belief of Nicene Christianity and in those Christian denominations that adhere to it.
The original Nicene Creed was first adopted at the First Council of N ...
,
Athanasian Creed
The Athanasian Creed—also called the ''Quicunque Vult'' (or ''Quicumque Vult''), which is both its Latin name and its opening words, meaning "Whosoever wishes"—is a Christian statement of belief focused on Trinitarian doctrine and Christolo ...
,
Augsburg Confession
The Augsburg Confession (), also known as the Augustan Confession or the Augustana from its Latin name, ''Confessio Augustana'', is the primary confession of faith of the Lutheranism, Lutheran Church and one of the most important documents of th ...
,
Canons of Dort
The Canons of Dort, or Canons of Dordrecht, formally titled ''The Decision of the Synod of Dort on the Five Main Points of Doctrine in Dispute in the Netherlands'', is an exposition of orthodox Reformed soteriology against Arminianism, by the Nat ...
,
Westminster Confession
The Westminster Confession of Faith, or simply the Westminster Confession, is a Reformed confession of faith. Drawn up by the 1646 Westminster Assembly as part of the Westminster Standards to be a confession of the Church of England, it beca ...
and others, the
inner light of the spirit, as among
mystics
A mystic is a person who practices mysticism, or a reference to a mystery, mystic craft, first hand-experience or the occult.
Mystic may also refer to:
Arts, entertainment Books and comics
* Ms. Mystic, comic book superheroine
* ''Mystic'' (c ...
.
More broadly, the rule of faith is the name given to the ultimate authority or standard in religious belief, such as the
Word of God (''Dei verbum'') as contained in Scripture and
Apostolic Tradition, as among
Catholics
The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
;
theoria
Christian mysticism is the tradition of mysticism, mystical practices and mystical theology within Christianity which "concerns the preparation f the personfor, the consciousness of, and the effect of ..a direct and transformative pr ...
, as among the
Eastern Orthodox
Eastern Orthodoxy, otherwise known as Eastern Orthodox Christianity or Byzantine Christianity, is one of the three main Branches of Christianity, branches of Chalcedonian Christianity, alongside Catholic Church, Catholicism and Protestantism ...
; the ''
Sola scriptura
(Latin for 'by scripture alone') is a Christian theological doctrine held by most Protestant Christian denominations, in particular the Lutheran and Reformed traditions, that posits the Bible as the sole infallible source of authority for ...
'' (Bible alone doctrine), as among some
Protestants
Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...
; the
Wesleyan Quadrilateral
The Wesleyan Quadrilateral, or Methodist Quadrilateral, is a methodology for theological reflection that is credited to John Wesley, leader of the Methodist movement in the late 18th century. The term itself was coined by 20th century American ...
of faith, which held that Scripture, tradition, reason, and experience, as among other Protestants; and
reason
Reason is the capacity of consciously applying logic by drawing valid conclusions from new or existing information, with the aim of seeking the truth. It is associated with such characteristically human activities as philosophy, religion, scien ...
alone, as among Rationalist philosophers.
Some theologians use "analogy" as an alias for "rule" rather than its
modern sense of comparison.
Catholic usage
Pope Pius XII
Pope Pius XII (; born Eugenio Maria Giuseppe Giovanni Pacelli; 2 March 18769 October 1958) was the head of the Catholic Church and sovereign of the Vatican City State from 2 March 1939 until his death on 9 October 1958. He is the most recent p ...
in ''
Humani generis
''Humani generis'' is a papal encyclical that Pope Pius XII promulgated on 12 August 1950, "concerning some false opinions threatening to undermine the foundations of Catholic Doctrine". It primarily discussed, the encyclical says, "new opinion ...
'' used the term ''analogy of faith'' to say that Holy Scripture should be interpreted according to the mind of the Church, not that the teaching of the Church and Fathers should be interpreted by some theorised norm of the Scriptures.
In the
Catholic Church
The Catholic Church (), also known as the Roman Catholic Church, is the List of Christian denominations by number of members, largest Christian church, with 1.27 to 1.41 billion baptized Catholics Catholic Church by country, worldwid ...
, the
Bible
The Bible is a collection of religious texts that are central to Christianity and Judaism, and esteemed in other Abrahamic religions such as Islam. The Bible is an anthology (a compilation of texts of a variety of forms) originally writt ...
and
sacred tradition
Sacred tradition, also called holy tradition, Anno Domini tradition or apostolic tradition, is a theological term used in Christian theology. According to this theological position, sacred Tradition and Scripture form one ''deposit'', so sacred T ...
(that is, things believed to have been taught by
Jesus
Jesus (AD 30 or 33), also referred to as Jesus Christ, Jesus of Nazareth, and many Names and titles of Jesus in the New Testament, other names and titles, was a 1st-century Jewish preacher and religious leader. He is the Jesus in Chris ...
and the
apostles that were not recorded in the Bible but were transmitted through the church) are considered a rule for all believers for judging faith and practice. The current ''
Catechism of the Catholic Church
The ''Catechism of the Catholic Church'' (; commonly called the ''Catechism'' or the ''CCC'') is a reference work that summarizes the Catholic Church's doctrine. It was Promulgation (Catholic canon law), promulgated by Pope John Paul II in 1992 ...
'' says, "all that has been said about the manner of interpreting Scripture is ultimately subject to the judgement of the Church which exercises the divinely conferred commission and ministry of watching over and interpreting the Word of God
The ''
Baltimore Catechism'' used the phrase "rule of faith":
In ''
Verbum Domini
''Verbum Domini'' (''The Word of the Lord'') is a post-synodal apostolic exhortation issued by Pope Benedict XVI which deals with how the Catholic church should approach the Bible. He issued it following the XII Ordinary General Assembly of the ...
'' (2010), Pope
Benedict XVI
Pope BenedictXVI (born Joseph Alois Ratzinger; 16 April 1927 – 31 December 2022) was head of the Catholic Church and sovereign of the Vatican City State from 19 April 2005 until resignation of Pope Benedict XVI, his resignation on 28 Februar ...
wrote:
Protestant usage
In some
Protestant theology, it is a
hermeneutical rule of interpreting the Bible that scripture is to interpret scripture (''Sacra Scriptura sui interpres'': sacred Scripture is its own interpreter). It is an understanding that enforces the Bible as the inspired Word of God, and it is therefore consistent and coherent since God cannot contradict himself.
In
conservative
Conservatism is a cultural, social, and political philosophy and ideology that seeks to promote and preserve traditional institutions, customs, and values. The central tenets of conservatism may vary in relation to the culture and civiliza ...
Protestantism
Protestantism is a branch of Christianity that emphasizes Justification (theology), justification of sinners Sola fide, through faith alone, the teaching that Salvation in Christianity, salvation comes by unmerited Grace in Christianity, divin ...
Romans 12:6 is viewed as the biblical reference for the term "analogy of the faith" (i.e., αναλογἰα τῆς πἰστεως).
For Protestants, the Bible alone is considered the word of God and the only infallible standard for judging
faith
Faith is confidence or trust in a person, thing, or concept. In the context of religion, faith is " belief in God or in the doctrines or teachings of religion".
According to the Merriam-Webster's Dictionary, faith has multiple definitions, inc ...
and practice;
hence, for conservative Protestantism, the ''analogy of the faith'' is equivalent to the ''analogy of scripture'' – that is, opinions are tested for their consistency with scripture, and scripture is interpreted by the
Holy Spirit
The Holy Spirit, otherwise known as the Holy Ghost, is a concept within the Abrahamic religions. In Judaism, the Holy Spirit is understood as the divine quality or force of God manifesting in the world, particularly in acts of prophecy, creati ...
speaking in scripture (compare ''
sola scriptura
(Latin for 'by scripture alone') is a Christian theological doctrine held by most Protestant Christian denominations, in particular the Lutheran and Reformed traditions, that posits the Bible as the sole infallible source of authority for ...
'').
Orthodox usage
See also
*
Biblical law in Christianity {{Short description, Legal aspects of the Bible
Biblical law is the legal aspects of the Bible, the holy scriptures of Christianity and Judaism.
Christianity
* Abrogation of Old Covenant laws
* Christian views on the Old Covenant, term referring ...
*
Faith in Christianity
Faith in Christianity is often discussed in terms of believing God in Christianity, God's promises, trusting in his faithfulness, and relying on God's character and faithfulness to act. Some denominations believe in the New Covenant and in the doc ...
References
Further reading
* Sproul, R. C., et al. ''Knowing Scripture'', revised edition, IVP Books, 2009. EBSCO host
{{Authority control
New Testament theology
Christian terminology
Philosophy of law
Wikipedia articles incorporating text from the Nuttall Encyclopedia
Analogy
Faith in Christianity