Graces Derived from Assisting at Mass
The Mass is Calvary continued 
Every Mass is worth as much as the sacrifice of Our Lord's life, sufferings and death.
Holy Mass is the most powerful atonement for your sins.
At the hour of death the Masses you have heard will be your greatest consolement.
Every Mass will go with you to judgement and plead for pardon.
At Mass you can diminish more or less temporal punishment due to your sins, according to your fervor.
Assisting devoutly at Holy Mass you render to the humanity of Our Lord the greates homage.
He supplies for many of your negligences and omissions.
He forgives the venial sins which you have not confessed. The power of Satan over you is diminished.
You afford the souls in Purgatory the greates possible relief.
One Mass heard during life will be of more benefit to you than many heard for you after your death.
You are preserved from dangers and misfortunes which otherwise might have befallen you. You shorten your Purgatory.
Every Mass wins you a higher degree of glory in Heaven.
You receive the Priest's blessing which Our Lord ratifies in Heaven.
You kneel amidst a multitude of Holy Angels, who are present at the adorable Sacrifice with reverential awe.
You are blessed in your temporal goods and affairs.
In eternity, we shall fully realize that it was certainly worthwhile to have assisted at Holy Mass daily.
Prayer to Obtain the Grace of all the World's Masses
Eternal Father we humbly offer Thee our poor presence and that of the whole of humanity from the beginning to the end of the world at all the Masses that ever have or ever will be prayed. We offer Thee all the pains, suffering, prayers, sacrifices, joys and relaxations of our lives, in union with those of our dear Lord Jesus here on earth. May the Most Precious Blood of Christ, all His blood and wounds and agony save us, through the sorrowful and Immaculate Heart of Mary. Amen!
(This prayer should be prayed daily, and made known.)
St. Bonaventure said: "that whoever neglected Our Lady would perish in his sins and would be damned".
