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 it was recommended by Pope John XXII in 1318. The practice was observed by Franciscans and eventually developed into the Angelus prayer. The Angelus is a prayer commemorating the Incarnation. It originated with the 11th-century monastic custom of reciting three Hail Marys during the evening, or Compline bell. It was traditionally recited in Roman Catholic churches, convents, and monasteries three times daily: 6:00 am, noon, and 6:00 pm and is usually accompanied by the ringing of the Angelus bell, which is a call to prayer. In the 12th century Bernard of Clairvaux gave sermons (De duodecim stellis), from which an