~ The Hail Mary - The Value of the Rosary ~ Father Gabriel Amorth, chief exorcist of the Vatican writes: One day a colleague of mine heard the devil say during an exorcism: “Every Hail Mary is like a blow on my head. If Christians knew how powerful the Rosary was, it would be my end.” The secret that makes this prayer so effective is that the Rosary is both prayer and meditation. It is addressed to the Father, to the Blessed Virgin, and to the Holy Trinity, and is a meditation centered on Christ