The Canon Question: Can We Know Which Books Are God’s Word?

Book I — The Doctrine Stated, Article 1 of 96: The Question Beneath Every Appeal to Scripture

“To the law and to the testimony: if they speak not according to this word, it is because there is no light in them.” — Isaiah 8:20

Every Christian appeal to Scripture presupposes an answer to the canon question. When a minister says, “The Bible teaches,” he assumes that there is a Bible: a definite collection of writings which God has given to His Church as the rule of faith and life. When a confession cites Genesis, Isaiah, Matthew, Romans, or Revelation, it does more than interpret a religious document. It identifies that document as Holy Scripture and therefore as the voice of God written.

The question is unavoidable: Which books are God’s Word, and how may the Church know them?

This is not a sceptical demand that God submit His speech to a higher court. Nor is it an invitation to begin with religious neutrality, as though the creature could stand outside every authority and decide whether God has spoken. It is an inquiry made beneath the Word. The Christian asks how the God who inspired Scripture has made His canonical gift known, how the Church receives that gift, and what place belongs to historical testimony in accounting for its reception.

Louis Gaussen saw the importance of the question with unusual clarity. Having defended the inspiration of Scripture, he observed that the argument would remain incomplete unless the identity of the inspired books could also be known. If a believer could not know whether Daniel, James, Jude, or another disputed book belonged to Scripture, the privilege of possessing an inspired Bible would be practically compromised.¹ Inspiration without an identifiable Scripture would name a divine quality while leaving its object uncertain.

The doctrine of the canon therefore belongs near the beginning of bibliology. It lies beneath exegesis, preaching, confession, discipline, and every public claim that begins, “It is written.”

Inspiration Requires an Identifiable Scripture

The assertion that “all scripture is given by inspiration of God” is not an assertion about an invisible idea of Scripture (2 Tim. 3:16). It concerns writings. The Greek term translated scripture denotes that which has been written, and Paul immediately joins inspiration to Scripture’s continuing usefulness “for doctrine, for reproof, for correction, for instruction in righteousness.” The God-breathed writings are able to furnish the man of God unto all good works.

That use requires identity. A writing cannot correct the Church if the Church cannot know that it belongs to the rule. A book cannot bind the conscience merely because it is ancient, edifying, apostolic in subject, or valued by Christians. Its canonical authority depends upon what God has done in giving it.

The same necessity appears in the Old Testament. Israel was commanded to hear “Moses and the prophets” (Luke 16:29). Christ appealed to “the law of Moses, and in the prophets, and in the psalms” as a known body of Scripture that testified concerning Him (Luke 24:44). He did not direct His hearers toward a shapeless field of Hebrew religious literature. He appealed to an existing sacred deposit.

The New Testament presents the same kind of reality. Paul’s letters were read in the churches and circulated among them (Col. 4:16; 1 Thess. 5:27). Peter placed Paul’s epistles alongside “the other scriptures” (2 Pet. 3:15–16). Apostolic writings functioned as a public and authoritative deposit before any later council prepared a catalogue of them.

Canonicity is thus not an honour bestowed upon otherwise ordinary books when the Church finally becomes certain of them. The Church’s recognition concerns writings already constituted as Scripture by divine action.

The Canon Is Not an Academic Appendix

Canon studies are often placed at the edge of theology, as though the subject were chiefly a catalogue of ancient disputes. The history is important, but the doctrine is more fundamental. The canon identifies the documentary form of the Church’s supreme rule.

Consider the practical consequences. Public worship includes the reading and preaching of Holy Scripture. Doctrine must be proved from Holy Scripture. Church courts must judge controversies according to Holy Scripture. Christians must test spirits and teachers by Holy Scripture. Families must teach Holy Scripture to their children. Translations must render Holy Scripture into the languages of the nations.

Every one of those duties presupposes a boundary. If the Shepherd of the Church has spoken, His sheep must be able to distinguish His voice from the voices of strangers. If God has given a rule, the people bound by it must be able to identify the writings that constitute it. If a book may be added to or removed from the canon by a later human power, then the content of the supreme rule remains subject to that power.

The canon question is therefore ecclesiastical and pastoral before it is antiquarian. A Christian may be saved without being able to recite every stage in the reception of 2 Peter or Revelation. He may know Christ through a portion of Scripture before he can name all sixty-six books. Yet the Church as a public body cannot discharge her office while treating the extent of her rule as permanently indeterminate.

A Definite Foundation for a Definite Church

Paul describes the household of God as “built upon the foundation of the apostles and prophets, Jesus Christ himself being the chief corner stone” (Eph. 2:20). The image joins Christ, His commissioned witnesses, and the Church raised upon their testimony. The foundation creates and supports the house; the house does not create its foundation.

This order excludes two opposite errors. The first imagines that the Church may constitute the books which shall possess divine authority. The second treats the historical Church as almost irrelevant to the identification of those books. Scripture rejects both. God gives the foundation, and the Church is truly built upon it. Because the foundation is divine, the Church cannot create it. Because the Church is actually built upon it in history, her reception and custody are not meaningless.

The Belgic Confession follows this order. It names the canonical books and then states that the Church receives them “for the regulating, founding, and establishing of our faith.” Their authority does not arise from ecclesiastical approval. The Church receives them because they are from God, and the Holy Ghost witnesses in the heart that they are from God.²

The foundation is definite because Christ’s Church is definite. God has not promised merely that somewhere, among an undefined number of religious writings, a sufficient measure of truth will survive. He has given covenant documents through prophets and apostles and has gathered His people by their testimony.

Why the Reformed Confessions Name the Books

Westminster Confession 1.2 does something that a merely abstract doctrine of inspiration cannot do: it names the books. After explaining why God committed His revelation wholly unto writing, the Confession lists the thirty-nine books of the Old Testament and the twenty-seven books of the New. It then declares, “All which are given by inspiration of God, to be the rule of faith and life.”³

The catalogue is not decorative. It prevents the word Scripture from becoming an empty honorific. Westminster does not confess that an unknown set of autographs was once inspired. It identifies the canonical collection received by the Reformed churches.

The Confession also distinguishes canonical from apocryphal books. The books commonly called Apocrypha, “not being of divine inspiration,” possess no authority in the Church of God and are to be regarded only as other human writings.⁴ The boundary is therefore doctrinal. A book may contain historical information, moral wisdom, or religious eloquence without belonging to the inspired rule.

The same structure appears in the Belgic Confession, the Thirty-Nine Articles, the Second Helvetic Confession, the Irish Articles, and other Reformation standards. The Reformed churches did not regard a catalogue as an embarrassment to sola Scriptura. They understood that sola Scriptura requires an identifiable Scripture.

Authority and Recognition Must Not Be Confused

The authority of a canonical book and the Church’s recognition of that authority are related, but they are not the same act.

Authority answers the question: Why does this book bind us? It binds because God is its author.

Recognition answers another question: How does the Church know and receive this book as God’s Word? Recognition involves Scripture’s own divine qualities, prophetic and apostolic origin and authorization, the testimony of the Holy Ghost, providential exposure and preservation, and the corporate reception of the churches.

If the two questions are collapsed, the Church appears to create what she recognizes. If they are torn apart, the recognition of Scripture becomes either an unexplained private feeling or an autonomous historical inference. The sound order is simpler: God gives; the Word bears His authority; the Spirit opens the ears of Christ’s sheep; the Church receives; historical evidence accompanies and confirms that reception.

Michael Kruger’s strongest contribution to recent canon studies is his refusal to treat the New Testament canon as a merely extrinsic ecclesiastical construction. He argues that the canon arose from realities intrinsic to earliest Christianity and that a Christian account of canonical knowledge must be self-authenticating rather than grounded in a supposedly neutral authority above Scripture.⁵ Those judgments deserve to be retained. The remaining question is whether the divine promise and providence governing the whole canon receive their full formal weight. Gaussen’s “method of faith” presses that question with particular force.

Historical Proof Cannot Carry the Whole Weight

The historical evidence for the canon is abundant. Manuscripts, ancient versions, patristic citations, catalogues, lectionaries, conciliar records, and the public reading of Scripture all bear genuine testimony. Historical study can answer false claims, clarify the reception of disputed books, and display the remarkable continuity of the canonical collection.

Yet historical probability cannot be the formal ground of divine faith. Gaussen distinguished the method of science, which appeals to history, from the method of faith, which appeals to revealed doctrine. He did not despise science. He devoted the first and much larger historical portion of his work to it. His point was one of order: historical inquiry prepares, accompanies, and defends faith, but cannot give the Christian his ultimate ground for believing God.⁶

The difference is crucial. If the canon rests finally upon the completeness of our historical reconstruction, only the specialist can possess informed confidence, and every new reconstruction may reopen the boundary. The ordinary believer becomes dependent upon a class of experts whose judgments he cannot examine.

The method of faith does not abolish evidence. It interprets evidence within the truth that God has spoken, that Christ gathers His Church, that the Holy Ghost bears witness by and with the Word, and that divine providence does not fail in delivering the canonical deposit to the people for whom it was given.

The Modern Form of the Question

The modern debate often asks when a closed list emerged, which communities used which books, and which institutional pressures produced agreement. Those are legitimate historical questions. Trouble begins when the method assumes that only publicly observable ecclesiastical processes may be admitted into the explanation. Inspiration, providence, self-attestation, and the testimony of the Spirit are then excluded before the inquiry begins.

The result is predictable. If divine agency is methodologically invisible, the canon can appear only as the product of human selection. The Church does not receive a gift; it negotiates a settlement. The canonical boundary becomes a late exercise of power imposed upon earlier diversity.

Kruger has rightly challenged that extrinsic model by asking whether the theological structure of early Christianity naturally entailed authoritative written documents and whether the authors of the New Testament understood their office accordingly.⁷ A confessional doctrine must go farther without abandoning the historical work. It must account for the entire canon from the character and acts of the Triune God.

A Rule That Cannot Be Identified Cannot Fully Rule

An indeterminate authority is not operationally supreme. If the Church must wait upon a perpetually revisable human process to learn which books constitute her final court of appeal, that process functions as a higher court at the point of identification.

This does not mean that every believer must possess exhaustive historical knowledge, or that no canonical book was ever disputed, or that recognition was equally rapid in every region. Human knowledge can grow. Local churches can lack books. Historical witnesses can differ. None of those facts makes the object itself indeterminate.

The distinction between the certainty of the object and the limitations of particular knowers will govern this series. Controversy does not create the canon any more than disagreement about Christ creates Christ. A disputed claim must be investigated, but the investigation concerns a reality established by God.

Canonical Knowledge and Sola Scriptura

The canon question is sometimes presented as an objection to sola Scriptura: Scripture cannot be the final authority, it is said, because Scripture does not place an inspired table of contents at its beginning. The objection assumes that the only alternatives are an inspired list or an infallible ecclesiastical decree. Neither assumption is warranted.

Scripture supplies the theological realities by which its extent is known. It identifies the prophetic oracles entrusted to Israel, records Christ’s reception of the Old Testament, establishes the unique authority of His apostles, commands the public reading and circulation of their writings, and teaches the Spirit’s inward witness. The books themselves manifest qualities fitting their divine Author. Providence brings them into the possession of the churches, where their corporate reception becomes public testimony. An ecclesiastical catalogue can summarize this recognition accurately without becoming a second infallible revelation.

Every system must identify its ultimate authority through means appropriate to that authority. An appeal to an allegedly infallible church does not escape the question; one must still identify which institution possesses that charism and why its claim should be believed. An appeal to autonomous historical reason merely relocates ultimacy in the investigator and his method. The Reformed account does not pretend to reason from a position above every authority. It begins with the God who speaks and asks how His own character, acts, and appointed means account for the Church’s knowledge of His Word.

This is not vicious circularity. A final authority cannot be certified by a more final authority without ceasing to be final. The question is whether the account is broad enough to explain both the authority and the public evidence. Scripture’s self-attestation is not a bare assertion that “the Bible says the Bible is true.” It is the mutually confirming witness of the canonical books, their prophetic and apostolic origin, their divine qualities, the Spirit’s work, the Church’s reception, and God’s preserving providence. The whole rests upon God, not upon one isolated proof-text or one private impression.

Thus canonical knowledge is not an embarrassment attached to sola Scriptura. It is one expression of the doctrine. The supreme rule is known through subordinate witnesses and means, while none of those witnesses acquires the right to revise the rule it serves.

The Pastoral Necessity of the Canon

The doctrine ends where Christian life begins: with God addressing His people. The believer opens the Bible to hear his Lord, not to inspect a museum of religious possibilities. The minister stands in the pulpit to proclaim a received Word. The Church confesses because she has first been spoken to.

Canonical certainty is therefore neither scholarly pride nor a demand for omniscience. It is confidence that the Father who sent the Son and poured out the Spirit has not left Christ’s sheep without the prophetic and apostolic Word appointed for their salvation. History serves that confidence; it does not manufacture it.

The first question has now been stated. The next must define its terms: What exactly does the Church mean when she calls a writing canonical?

Notes

Select Bibliography

• Belgic Confession, arts. 3–7.
• Gaussen, Louis. The Canon of the Holy Scriptures from the Double Point of View of Science and of Faith. 3rd ed. London: James Nisbet & Co., 1867.
• Kruger, Michael J. Canon Revisited: Establishing the Origins and Authority of the New Testament Books. Wheaton, IL: Crossway, 2012.
• Westminster Confession of Faith, chap. 1.
• Whitaker, William. A Disputation on Holy Scripture. Translated by William Fitzgerald. Cambridge: Parker Society, 1849.