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Answering 2 Objections to Sola Scriptura

Despite the numerous different meanings of the word tradition, critics of sola Scriptura sometimes employ any positive instance of this term as though it were speaking of tradition in the sense defined at the council of Trent. But it is specifically that conception of tradition that sola Scriptura opposes— namely, that Scripture and tradition are to be received with equal reverence as they together constitute the deposit of the Word of God, and that the magisterium of the church can offer infallible interpretations of both.

Note: This week the blog is sponsored by Zondervan Reflective. This post is written by Gavin Ortlund (PhD, Fuller Theological Seminary) who is president of Truth Unites and theologian-in-residence at Immanuel Nashville in Tennessee. He’s a highly sought-after speaker and apologist, and his new book What It Means to Be Protestant: The Case for an Always-Reforming Church releases on August 20, 2024.

In my engagements with Christians from traditions outside of Protestantism, whatever issue is being addressed, the discussion almost always kicks back to questions of authority. By what standard do we evaluate our differences? What is the relationship between Scripture and tradition, and where does the ultimate authority of interpretation for both Scripture and tradition lie? It is hard to find any area of dispute that doesn’t terminate in these more basic, methodological questions.

For this reason, we must press into the question of ecclesial authority. Here I will consider two of the most typical objections to sola Scriptura, the Protestant position on where ultimate authority over the church is located.

Objection 1: What about the Canon?

The church’s role in canonization is often set against sola Scriptura. Such critiques, however, generally fail to touch the Protestant position. Protestants stand in broad agreement with other traditions that the church has been entrusted with the responsibility of discerning the canon. For example, Protestants find themselves in a broad agreement on this point with the Roman Catholic position, as articulated at Vatican I: “these books the church holds to be sacred and canonical not because she subsequently approved them by her authority . . . but because, being written under the inspiration of the holy Spirit, they have God as their author, and were as such committed to the church.”1

The necessity of the church’s witness unto the Word of God is a classical Protestant doctrine. (The seventeenth-century Dutch Reformed theologians were particularly adept at explicating this doctrine). For Protestants, the church’s charge extends not only to recognizing the canon but also to protecting the Scriptures during times of persecution and to translating, teaching, and proclaiming them. Thus, Protestants have spoken of the church as not only a necessary witness to the Word of God, but also the custodian and herald of the Word of God.2

The necessity of the church, however, does not entail her infallibility. Protestants have often compared the church’s role in the process of canonization to that of John the Baptist in pointing to Christ: It is a ministerial role of witness or testimony. That the church is entrusted with such a task in no way grants her infallible authority parallel to Scripture any more than John the Baptist possessed parallel authority to Christ. Rather, the one testifying is subordinate to that which receives the testimony. As Johannes Wollebius put it, “As it is foolish to tell us that the candle receives its light from the candlestick that supports it, so it is ridiculous to ascribe the Scripture’s authority to the church.”3

Infallibility is not necessary for canonization since the church’s responsibility is not constituting Scripture but simply recognizing it. Such recognition is not itself the action of an infallible agent. As J. I. Packer more recently stated, “The Church no more gave us the New Testament canon than Sir Isaac Newton gave us the force of gravity. . . . Newton did not create gravity but recognized it.”4 Another metaphor for this action of the church used by the Anglican theologian William Whitaker is that of a goldsmith discerning true gold from other metals: “The goldsmith with his scales and touchstone can distinguish gold from copper and other metals; wherein he does not make gold . . . but only indicates what is gold. . . . In like manner the Church acknowledges the Scriptures and declares them to be divine.”5

Ultimately, the trustworthiness of the canon is rooted in the guidance of the Holy Spirit, as well as the progressive nature of revelation itself. Thus, the Italian Reformer Peter Martyr Vermigli pointed out that in the work of discerning the Word of God, the church does not start from scratch, but measures each book against the previous revelation she has already received from God. As Richard Muller expounds Vermigli’s view, the church “adjudges the canon only as she is taught so to do by the Spirit of Christ, her Teacher, and by the comparison of Scripture with Scripture— even as a counterfeit letter is proved by comparison with a genuine letter.”6 Muller points out that in explaining the church’s role in this way, Vermigli and other early Protestants like William Tyndale were not innovating—they were simply  repeating a view that had strong attestation in medieval scholastic debate, most recently by the fifteenth-century theologian Wessel Gansfort.7 The idea of a hierarchy of authorities, with the Scripture at the top over other subordinate (but necessary) authorities, was by no means a novel approach in the sixteenth century.

To state the point plainly, setting sola Scriptura at odds with the process of canonization confuses the recognition of infallibility with the possession of infallibility. The simple fact is that it is not necessary to be infallible to discern that which is infallible. When Moses heard God at the burning bush, he didn’t need a second voice whispering in his ear that this was indeed God. This is what Protestants intend when they speak of Scripture as self-authenticating. This simply means that the ultimate ground on which we receive the Scripture is inherent in it, rather than external to it. For there is no higher authority the Word of God could rest upon than the Spirit speaking through it. If you think you do have to possess infallibility to discern infallibility, you have a continual regress, because now you need infallibility to receive and interpret the infallible teachings of your church.

There is one way we can know with certainty that the church does not need infallibility to discern the canon: the facts of history. It just didn’t happen that way. With respect to the New Testament canon, scholars debate the exact date of its finalization, but it is generally seen to have become fully settled in the fourth century. The process of canonization leading to that point was bottom up, not top down. It was a gradual, cumulative, widespread, and organic process by which the church discerned the Word of God through the enabling direction of the Holy Spirit. It was not the result of an infallible statement from the Pope of Rome or an ecumenical council.

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