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Luther and the Doctrine of Sola Scriptura The doctrine that Scripture is the Christian’s only infallible rule of faith was popularized and promoted by Martin Luther, who, the story goes, affixed his Ninety-five Theses to the church door at Wittenberg’s Castle Church in 1517. His Theses put forth a series of propositions for debate, focusing prominently on the doctrine of indulgences—see the Catechism of the Catholic Church(CCC), paragraph 1471—which he sought to challenge. Since indulgen …

The first Christians didn’t learn their faith from the Bible because none of the books of the New Testament had been written yet. This is evident in Paul thanking the Corinthians for “maintain[ing] the traditions even as I have delivered them to you” (1 Cor. 11:2), and instructing his disciple Timothy,“what you have heard from me before many witnesses entrust to faithful men who will be able to teach others also” (2 Tim. 2:2).Paul thanked the Thessalonians for accepting his preaching, not …

After I became a Christian I struggled with whether I should keep attending a Catholic Church.As I sat in church and watched incense rise up from the altar, I felt an urge to stay and be part of what felt like a sacred mystery.On the other hand, there were a lot of Catholic beliefs that I could not find in the Bible, which made me think they were just man-made traditions.I eventually decided that it didn’t matter which church I joined so long as I only believed in what the Bible …

The clearest example of a sacred Tradition that both Catholics and Protestants accept is the canon of Scripture. The word canon comes from a Greek word that means “rule,” and refers to the Church’s official list of inspired writings. You can find this list in the table of contents of every Catholic or Protestant Bible.The canon of Scripture was first declared in Rome in A.D. 382and was later defined at two Catholic councils in North Africa(Hippo in A.D. 393 and Carthage in A.D. 397).How …

“Where is that in the Bible?”This is the most common question I receive when I discuss the Catholic faith with Protestants. They ask me questions like: “Where is purgatory in the Bible? Or the Mass? Or the pope? Or the rosary?”These questions assume that Christians should only believe a doctrine if it is explicitly taught in Scripture—what is called sola scriptura (“by Scripture alone”). The 1647 Protestant Westminster Confession of Faith expressed a key aspect of sola scriptura this way: “The w …