Mariology of the saints Marian veneration is the best. Canisius tried to show a practical rationale for Marian devotion and defended it against opposing Protestant arguments. His lasting contribution to this "applied mariology" are his three catechisms, which he published in Latin and German, and which became widespread and popular in Catholic regions. Under the heading "prayer" he explains the Ave Maria, (Hail Mary), as the basis for Catholic Marian piety. Less known are his Marian books, in which he published prayers and contemplative texts. He is credited with adding to the Hail Mary the sentence "Holy Mary, Mother of God, pray for us
Our Lady, Star of the Sea the early thirteenth century. The abbey was destroyed several times, but a refounded Stella Maris monastery is still considered the headquarters of the order. Devotions to this title of Mary are found in the popular Catholic hymn, "Hail Queen of Heaven, the Ocean Star" and the ancient prayer "Ave Maris Stella". The widely sung "Sicilian Mariners Hymn", O Sanctissima, also reflects this devotion. Our Lady, Star of the Sea is the patroness of the Netherlands. The Roman Catholic Church honors Our Lady, Star of the Sea, with a feast day assigned to September 27. The Apostleship of the Sea (AOS)