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 can still meditate, but our attention is fixed on the Lord himself. Contemplation, like all prayer, is pure gift, and not anything one can achieve. The tradition of the Roman Catholic Church highlights four basic elements of prayer: Prayer of Blessing and Adoration, Prayer of Petition, Prayer of Intercession, and Prayer of Thanksgiving. In its widest applications the word "blessing" has a variety of meanings in sacred writings. It can be taken in a sense that is synonymous with praise; thus the Psalmist, "I will bless the Lord at all times; praise shall be always in my mouth." The prayer