The document discusses the key beliefs of Reformed theology, which emerged from the Protestant Reformation started by Martin Luther in 1517. The Reformation centered authority in the church on Scripture alone rather than church traditions or the papacy. The early reformers like Luther, Zwingli, and Calvin rediscovered justification as being declared righteous by God through faith alone, not a process. The five "solas" that summarize Reformed theology are: sola scriptura (Scripture alone), sola fide (faith alone), sola gratia (grace alone), solus Christus (Christ alone), and soli Deo gloria (glory to God alone). Today, Reformed theology is expressed through confessions