Sola Scriptura and the Reformed Confessions

The Martin Luther was already in hot water with the pope after having posted his Ninety-Five Theses the previous year. But he made things considerably worse for himself when, in a debate with Dominican Cardinal Cajetan, he asserted that the pope could and had erred. He turned up the heat considerably in the summer of 1519 when he confessed to Johannes von Eck that not only could popes and councils err, they had erred grievously in condemning John Huss.

So was born the Protestant doctrine of sola Scriptura. It was not that Luther despised church authority. He merely recognized that Scripture alone was inerrant and infallible, and therefore only Scripture possessed absolute normative authority. This principle is codified in several sixteenth century Reformed confessions which R. C. Sproul excerpts in the first chapter of his book, Scripture Alone.

The Theses of Berne (1528):

The church of Christ makes no laws or commandments without God’s Word. Hence all human traditions, which are called ecclesiastical commandments, are binding upon us only in so far as they are based and commanded by God’s Word. (Sec. 2)

The Geneva Confession (1536):

First we affirm that we desire to follow Scripture alone as a rule of faith and religion, without mixing it with any other things which might be devised by the opinion of men apart from the Word of God, and without wishing to accept for our spiritual government any other doctrine than what is conveyed to us by the same Word of God, and without addition or diminution, according to the command of our Lord. (Sec. 1)

The French Confession of Faith (1559):

We believe that the Word contained in these books has proceeded from God, and receives itls authority from God alone, and not from men. And inasmuch as is the rule of all truth, containing all that is necessary for the service of God and for our salvation it is not lawful for men, even for angels, to add to it, to take away from it, or to change it. Whence it follows that no authority whether of antiquity, or custom or numbers, or human wisdom, or judgments, or proclamations, or edicts, or decrees, or councils or visions, or miracles, should be opposed to these holy Scriptures, but on the contrary, all things should be examined, regulated and reformed according to them. (Art. 5)

The Belgic Confession (1561):

We receive all these books, and these only as holy and confirmation of our faith; believing, without any doubt, all things contained in them, not so much because the church receives, and approves them as such, but more especially because the Holy Ghost witnessed in our hearts that they are from God, whereof they carry the evidence in themselves (Art. 5).
Therefore we reject with all our hearts whatsoever doth not agree with this infallible rule (Art. 7).

The Second Helvic Confession (1566):

Therefore, we do not admit any other judge that Christ himself, who proclaims by the Holy Scriptures what is true, what is false, what is to be followed, or what is to be avoided (chap. 2).

— R. C. Sproul, Scripture Alone (P&R Publishing Company, 2005), 18–20.

John Calvin vs. Cardinal Sadoleto

On September 1, 1539, John Calvin countered the Roman Catholic apologetics of his day with his letter to Cardinal Sadoleto.

Concerning the doctrine of justification by faith alone Calvin writes:

You, in the first place, touch upon justification by faith, the first and keenest subject of controversy between us. Is this a knotty and useless question? Wherever the knowledge of it is taken away, the glory of Christ is extinguished, religion abolished, the Church destroyed, and the hope of salvation utterly overthrown. That doctrine, then, though of the highest moment, we maintain that you have nefariously effaced from the memory of men. Our books are filled with convincing proofs of this fact, and the gross ignorance of this doctrine, which even still continues in all your churches, declares that our complaint is by no means ill founded. But you very maliciously stir up prejudice against us, alleging that, by attributing every thing to faith, we leave no room for works.

I will not now enter upon a full discussion, which would require a large volume; but if you would look into the Catechism which I myself drew up for the Genevans, when I held the office of Pastor among them, three words would silence you. Here, however, I will briefly explain to you how we speak on this subject.

First, We bid a man begin by examining himself, and this not in a superficial and perfunctory manner, but to sift his conscience before the tribunal of God, and when sufficiently convinced of his iniquity, to reflect on the strictness of the sentence pronounced upon all sinners. Thus confounded and amazed at his misery, he is prostrated and humbled before God; and, casting away all self-confidence, groans as if given up to final perdition. Then we show that the only haven of safety is in the mercy of God, as manifested in Christ, in whom every part of our salvation is complete. As all mankind are, in the sight of God, lost sinners, we hold that Christ is their only righteousness, since, by his obedience, he has wiped off our transgressions; by his sacrifice, appeased the divine anger; by his blood, washed away our stains; by his cross, borne our curse; and by his death, made satisfaction for us. We maintain that in this way man is reconciled in Christ to God the Father, by no merit of his own, by no value of works, but by gratuitous mercy. When we embrace Christ by faith, and come, as it were, into communion with him, this we term, after the manner of Scripture, the righteousness of faith.
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