Faustinus and Jovita were brothers, nobly born, and were zealous professors of the Christian religion, which they preached without fear in their city of Brescia in Lombardy, during the persecution of Adrian. Their remarkable zeal excited the fury of the heathens against them, and procured them a glorious death for their faith.
Faustinus, a priest, and Jovita, a deacon, were preaching the Gospel fearlessly in the region when Julian, a pagan officer, apprehended them. They were commanded to adore the sun, but replied that they adored the living God who created the sun to give light to the world. The statue before which they were standing was brilliant and surrounded with golden rays. Saint Jovita, looking at it, cried out: Yes, we adore the God reigning in heaven, who created the sun. And you, vain statue, turn black, to the shame of those who adore you! At his word, it turned black. The Emperor commanded that it be cleaned, but the pagan priests had hardly begun to touch it when it fell into ashes.
Saints Faustinus and Jovita
The two brothers were sent to the amphitheater to be devoured by lions, but four of those came out and lay down at their feet. They were left without food in a dark jail cell, but Angels brought them strength and joy for new combats. The flames of a huge fire respected them, and a large number of spectators were converted at the sight. Finally sentenced to decapitation, they knelt down and received the death blow. The city of Brescia honors them as its chief patrons and possesses their relics, and a very ancient church in that city bears their names.
Reflection. The spirit of Christ is ever a spirit of martyrdom. It is always the spirit of the cross. The more we share in the suffering life of Christ, the greater share we inherit of His Spirit, and of the fruits of His death. To souls mortified in their senses and disengaged from earthly things, God gives frequent foretastes of the sweetness of eternal life, and ardent desires of possessing Him in His glory. This is the spirit of martyrdom, which entitles a Christian to a happy resurrection and to the bliss of the life to come.
Prayer to Venerate Any Saint
Saints Faustinus and Jovita: Feast Day February 15
Rev. 8:3-4  And another angel came, and stood before the altar, having a golden censer; and there was given to him much incense, that he should offer of the prayers of all saints upon the golden altar, which is before the throne of God.  And the smoke of the incense of the prayers of the saints ascended up before God from the hand of the angel.
ETERNAL Father, I wish to honor St. (Name), and I give You thanks for all the graces You have bestowed upon him (her). I ask You to please increase grace in my soul through the merits of this saint, and I commit the end of my life to him (her) by this special prayer, so that by virtue of Your goodness and promise, St. (Name) might be my advocate and provide whatever is needed at that hour. Amen.
PROMISE: “When you wish to honor any particular saint and give Me thanks for all the graces I have bestowed on that saint, I increase grace in your soul through the merits of that saint. When you commit the end of your life to any of the saints by special prayers, I appoint those saints to be your advocates and to provide whatever you need at that hour.”-Our Lord to St. Gertrude
Blessed Anne Catherine Emmerich revealed in her Visions that saints are particularly powerful on their feast days and should be invoked then.