Ellen G. White (18271915) was a prominent figure in the Adventist movement and is considered a prophetic voice by Seventh-day Adventists. "The Great Controversy" is one of her most well-known and influential works. The book presents a comprehensive perspective on the cosmic conflict between good and evil, as seen through the lens of Christian prophecy."The Great Controversy" offers a historical overview of events and trends from the time of ancient civilizations to the present day, interpreting them in the context of biblical prophecies. The book covers topics such as the rise and fall of empires, religious persecution, the role of the papacy in history, and the final events leading up to the Second Coming of Jesus Christ.The book's main thesis is the "great controversy" between Christ and Satan, with the ultimate triumph of Christ over evil. The work presents the Seventh-day Adventist understanding of eschatology (end-time events), emphasizing themes such as the investigative judgment, the Sabbath, the return of Christ, and the final resolution of the cosmic conflict.