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
Real presence of Christ in the Eucharist Corpus", greets Christ in the Eucharist as follows (in translation from the original Latin): "Hail, true body, born of Mary Virgin, and which truly suffered and was immolated on the cross for mankind!" The Catholic Church also holds that the presence of Christ in the Eucharist is entire: it does not see what is really in the Eucharist as a lifeless corpse and mere blood, but as the whole Christ, body and blood, soul and divinity; nor does it see the persisting outward appearances of bread and wine and their properties (such as weight and nutritional value) as a mere