Martin Luther (1483–1546) was a German monk, theologian, and university professor who became a central figure in the Protestant Reformation, a movement that challenged the practices and doctrines of the Roman Catholic Church in the 16th century. His translation of the Bible into the German vernacular made the text more accessible to the general public, significantly influencing the development of the German language and literature.
Luther is best known for his teachings on justification by faith alone and the authority of Scripture alone, which contrasted with the Catholic Church's teachings on salvation and authority at the time. His refusal to recant his writings at the Diet of Worms in 1521 led to his excommunication by Pope Leo X and condemnation as an outlaw by the Holy Roman Emperor Charles V.
Luther's posting of the 95 Theses on the door of the Castle Church in Wittenberg in 1517 is often cited as the starting point of the Reformation. These theses criticized the Church's sale of indulgences (pardons for sins) and questioned the Pope's authority. His actions and writings led to significant religious, political, and cultural changes in Europe, laying the groundwork for the modern Protestant denominations.
Martin Luther's theology and actions during the Protestant Reformation revolved around several core ideas, but three of his main ideas that fundamentally challenged the Roman Catholic Church's practices and teachings at the time were:
Justification by Faith Alone (Sola Fide): Luther argued that salvation and justification before God are achieved through faith in Jesus Christ as the savior, not by good works, penance, or the purchasing of indulgences. This idea emphasized the grace of God as the sole basis for salvation, contrasting with the Catholic Church's teaching that both faith and good works were necessary for salvation.
Scripture Alone (Sola Scriptura): He maintained that the Bible is the sole source of divinely revealed knowledge and the only standard for Christian doctrine. This stood in contrast to the Catholic view, which held that Church traditions and the teachings of the Church hierarchy were also authoritative. Luther's emphasis on the Bible's primacy led to the translation of the Scriptures into vernacular languages, making them accessible to a wider audience and promoting literacy and personal interpretation of the Bible.
The Priesthood of All Believers: Luther argued that all baptized Christians are priests and have direct access to God through faith and prayer, without the need for a mediating priesthood. This idea challenged the hierarchical structure of the Church and the special status of priests, suggesting that laypeople also had the right to read and interpret the Scriptures for themselves.