[Copiae indulgentiarum de institutione festi Praesentationis beatae Mariae virginis concessarum]

that we may stir the Christians to greater devotion and more frequent veneration of the exalted Mother of God, the Virgin Mary, who, rising like the dawn, fair as the moon, chosen as the sun, terrible as an army set in array, brought forth—with the Holy Spirit cooperating—the true sun of justice, our Redeemer Jesus Christ, who illuminates the hidden things of darkness in the world of dark power; she was never seen to have a first like her nor one to follow her, in fitting ways, that thereby the faithful themselves, aided by this devotion and their own prayers and the intercession of the Virgin herself, and moved by our exhortations, may be rendered more apt for divine grace. There is no doubt that, during the time of our predecessor of happy memory, Pope Pius II, on behalf of our beloved son, the nobleman Wilhelm, Duke of Saxony, it was set forth that the same Duke, from a special feeling of devotion, desired from his innermost heart the Feast of the Presentation of the same Virgin, which on the twenty-first day of the month of November annually in his lands and domains