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
Prayer in the Catholic Church Prayer in the Catholic Church In the Catholic Church, prayer is "the raising of one's mind and heart to God or the requesting of good things from God." It is an act of the moral virtue of religion, which Catholic theologians identify as a part of the cardinal virtue of justice. Prayer may be expressed vocally or mentally. Vocal prayer may be spoken or sung. Mental prayer can be either meditation or contemplation. The basic forms of prayer are praise, petition (supplication), intercession, and thanksgiving. Roman Catholic teachings on the subject of prayer are contained in the "Catechism", where quoting