The doctrine of the church is central to Christian theology because church membership is an important aspect of salvation. The most important thing about the church is its mission to the world. The major points in this study will be: The Form of Christian Mission, Church Organization, Which Is the True Church, The Doctrine of Last Things, The Biblical View of History, Jesus and the End of History, Prophecy and History, Adventism and the Advent Movement, An Adventist View of Final Events,The Fate of the Wicked, the Doctrine of the Sabbath, The Sabbath in the Bible, From Sabbath to Sunday, the Meaning of the Sabbath. This article can be studied for continuing education credit in the North American Division of Seventh-day Adventists.