Today, August 15, is the Solemnity of the Assumption of the Virgin Mary into Heaven. On this day, the universal Church celebrates what took place at the end of our Blessed Mother’s earthly life. “The Immaculate Mother of God, the ever Virgin Mary, having completed the course of her earthly life, was assumed body and soul into heavenly glory.” This dogma is the great antidote to materialism and the moral corruption that follows despair, because in Mary’s Assumption into heaven we see our own glorious destiny as fellow creatures like her, united to her Son. In her Assumption we see the eschatological finale awaiting the Church, of which she is the icon.
This doctrine was not formally defined as a dogma until 1950, when Pope Pius XII did so in an Apostolic Constitution titled Munificentissimus Deus. Although the Orthodox have not formally defined the doctrine as a dogma, this doctrine is not a point of dispute between Catholics and Orthodox, because the Feast of the Assumption has been celebrated in the universal Church (both East and West) on this same date (August 15) since the sixth and seventh centuries. However, this doctrine is not accepted by most Protestants, and is therefore an occasion of difficulty with respect to the reconciliation of Protestants and the Catholic Church.
Recently Peter Leithart responded to Christian Smith's claim that sola Scriptura is the belief that Christians have "the Bible alone and no other human tradition as authority." Leithart protested against this definition, claiming that the Reformed do acknowledge the authority of tradition, but hold Scripture to have final authority. My response to Leithart can be found here, where I argue (briefly) that to subject tradition to the test of one's own interpretation of Scripture is to deny the authority of tradition, and thus to vindicate Smith's claim. ...