3. That which is not found in Scripture—either directly or by necessary implication—is not binding upon the Christian. 4. Scripture reveals those things necessary for salvation. 5. All traditions are subject to the higher authority of Scripture.5 In this book, I will be presupposing the above definitions of sola scriptura: good and clear definitions from three of its ablest defenders. Let the reader take note! For it is the almost-invariable practice of Protestants to accuse Catholics of not understanding