By Fr. Ed Broom, TAN Direction - The Virgin Mary is a shining example of virtue for us on earth. The following are the ten virtues she perfectly practiced throughout her earthly life. As her children, we should earnestly ask her to assist us in the cultivation of virtue in our own lives.... In his Marian literary masterpiece, True Devotion to Mary, Saint Louis de Montfort highlights ten of the most important virtues of the Blessed Virgin Mary: “True devotion to our Lady is holy, that is, it leads us to avoid sin and to imitate the virtues of Mary.