The Roman Missal: Proper of Saints, February (English) 11

1[February 14. St Valentine, Martyr.]
2[Mass.—In virtute tua, for a Martyr only, page vii. except what follows:]
3Prayer. Præsta quæsumus. Grant, we beseech thee, O Almighty God, that we who celebrate the festival of blessed Valentine, thy martyr, may be delivered by his intercession from all threatening evils. Through our Lord, &c.
4Secret. Be appeased, we beseech thee, O Lord, by the gifts we offer, and, by the intercession of blessed Valentine, thy martyr, defend us from all dangers. Through our Lord, &c.
5Postcom. Sit nobis Domine. May the heavenly mystery be to us, O Lord, the reparation of soul and body, that, by the intercession of blessed Valentine, thy martyr, we may perceive the effect of what we celebrate. Through our Lord, &c.