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
National Catholic Prayer Breakfast a keynote speaker in the 2005, 2006, 2007, and 2008 assemblies. Archbishop Raymond Leo Burke delivered the keynote address at the 2009 prayer breakfast, which also featured Supreme Court Justice Antonin Scalia as guest speaker. House Speaker Paul Ryan spoke at the 2016 National Catholic Prayer Breakfast event. National Catholic Prayer Breakfast The National Catholic Prayer Breakfast is an annual event that takes place in Washington, D.C. It was created in response to Pope John Paul II's call for a new evangelization. It was established in 2004 and its "founding circle" members included Joseph Cella, Leonard Leo, and Rick Santorum,