Tomorrow, October 31st, is Reformation Day! What are the five “alones” (five “solas” in Latin) of Protestant Christianity, how did these five basic Christian beliefs originate, and what do they mean?

The phrase "sola scriptura” (Scripture alone) doesn’t mean that Christians should only read the Bible. If your sink gets clogged, a plumbing manual will be of more use than anything in the Old or New Testament. Here's what sola scriptura means and why it matters for you today.

At the heart of the Protestant Reformation was the belief that God’s Word alone is authoritative. Here are 10 facts about the Reformation every Christian needs to know.

Does the Protestant teaching of salvation through “faith alone” assert that Christians don’t need to do good works if they have faith in Christ? Here's what "faith alone" means and why it matters.

The phrase “grace alone” (Latin: “sola gratia”) refers to a basic biblical truth that all Christians should know. Here is a brief explanation.

If at all possible, every Christian should know the meaning of the phrase “Christ alone.” Here is a brief explanation.