Words to Live by – from Catholic Tradition
The Holy Rosary, indicating our future salvation or damnation
St. Louis Marie Grignion de Montfort writes:
Here is what our Blessed Lady revealed to Blessed Alan de la Roche as recorded in his book, The Dignity of the Rosary: “Know, my son, and make it known to all, that lukewarmness or negligence in saying the Hail Mary, or a distaste for it, is a probable and proximate sign of eternal damnation, for by this prayer the whole world was restored.” …
On the other hand, we know from experience that those who show positive signs of being among the elect, appreciate and love the Hail Mary and are always glad to say it. The closer they are to God, the more they love this prayer, as our Blessed Lady went on to tell Blessed Alan.
I do not know how this should be, but it is perfectly true; and I know no surer way of discovering whether a person belongs to God than by finding out if he loves the Hail Mary and the Rosary.
Quoted from True Devotion to Mary, by St. Louis Marie Grignion de Montfort, ¶¶ 250-251.