O God, who by the preaching of and blood of your sainted Martyrs, Isaac . . . and [his] companions, did consecrate the first fruits of the Faith in the vast regions of North America, graciously grant that, by their intercession, the flourishing harvest of Christians may everywhere and always be increased. Through our Lord Jesus Christ, your Son, who lives and reigns with You, in the union of the Holy Spirit, one God forever and forever. Amen.