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
Hail Mary to Mary, originally written in Koine Greek. The opening word of greeting, , "chaíre", here translated "Hail", literally has the meaning "rejoice" or "be glad". This was the normal greeting in the language in which Saint Luke's Gospel is written and continues to be used in the same sense in Modern Greek. Accordingly, both "Hail" and "Rejoice" are valid English translations of the word ("Hail" reflecting the Latin translation, and "Rejoice" reflecting the original Greek). The word , ("kecharitōménē"), here translated as "full of grace", admits of various translations. Grammatically, the word is the feminine perfect passive participle of the