“The Reformation didn’t ‘really say’ there were five solas. …Earlier Lutheran attempts at marketing only offered three: Scripture alone, grace alone, and faith alone. …When Philip Schaff wrote his 1845 book The Principle of Protestantism, he only had two.” - Desiring God
“They are particularly significant today because even professing evangelicals, to say nothing of the culture around us, are being tempted to abandon the gospel. Therefore, the church must recognize the dire need of not only defending the five solas but also celebrating them.” - Ligonier
“The goal of this video is not prove that sola Scriptura is right. The goal is simply historical accuracy. What Augustine believed is interesting and relevant, but it’s not decisive for sola Scriptura.” - Justin Taylor/Gavin Ortlund
“This conviction of sola Scriptura— the Scriptures alone are the Word of God and, therefore, the only infallible rule for life and doctrine—provided the fuel needed to ignite the Reformation. Indeed, it was regarded as the ‘formal cause’ of the Reformation (whereas sola fide, or ‘faith alone,’ was regarded as the ‘material cause’).” - Ligonier
Here, in this excerpt from the Catechism of the Catholic Church, we see the official Roman Catholic position on the relationship between scripture and tradition:1
