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
Veneration of Mary in the Catholic Church many ways in which Mary can encourage and assist us "neither takes away from nor adds anything to the dignity and efficaciousness of Christ the one Mediator." Roman Catholic tradition includes specific prayers and devotions as "Acts of Reparation to the Virgin Mary" for insults that she suffers. The Raccolta Roman Catholic prayer book (approved by a Decree of 1854, and published by the Holy See in 1898) includes a number of such prayers. These prayers do not involve a petition for a living or deceased beneficiary, but aim to "repair the sins of others" against the Virgin Mary. For