23. But if this devotion is not to consist of mere word, is not to be counterfeit coin of religion or the weak and transitory affection of a moment, but is to be something sincere, true and efficacious, it is necessary that each one of us should according to his condition of life, avail of it for the acquisition of virtue. The commemoration of the mystery of the Most Holy Virgin, conceived immaculate and immune from all stain of original sin, should, in the first place, urge us to that innocence and integrity of life which flees from and abhors even the slightest stain of sin.