Happy Feast Day of St. Laurence!
May the glorious patronage and tutelage of the great Deacon and Martyr St. Laurence vouchsafe each of the faithful throughout Christendom the graces necessary to persevere in the profession and practice of the holy Faith according to their state of life, together with unfailing and ever-increasing progress in the cultivation of the interior life.
From The Saint Andrew Daily Missal with Vespers for Sundays and Feasts by Dom Gaspar Lefebvre, O.S.B., of the Abbey of St- André (Bruges, Belgium: Liturgical Apostolate of the Abbey of St-André, 1956), here is the formulary for the Mass of the Feast of St. Laurence, Martyr: