The Distinctive Doctrines of the Reformation Overview: The Protestant Reformation was grounded on 5 principles that have shaped the teaching and practice of the church for 500 years: Grace-alone , Scripture-alone , Christ Alone , Faith alone , and for God’s Glory Alone . The “Five-Solas” (from the Latin word “sola,”— alone) , are principles that have helped to keep our doctrine, worship, mission, and fellowship faithful to the foundational truth of the gospel and the Biblical witness to Jesus Ch...