Irmos: Once, in Babylon, the fire stood in awe of the condescension of God; wherefore, the youths, dancing with joyous step in the furnace, as in a meadow, chanted: Blessed art Thou, O God of our fathers!
Having preached in Orthodox manner that the Word, the only-begotten Son, is equally worshipped and equally enthroned with the Father, O father, namesake of immortality, thou didst likewise teach that He is equally enthroned and consubstantial with the Spirit.
Theotokion: As thou alone art the one who, without knowing wedlock, gave birth in time to the Timeless One, the Word Who before was incorporeal, O Virgin, we chant to Him together, crying: Blessed is the God of our fathers!
Irmos: In the furnace the Hebrew children boldly trod the flame underfoot and transformed the fire into dew, crying out: Blessed art Thou, O Lord God, forever!
The father of ungodliness, seeing thee to be a sacred teacher and preacher of the three-Sunned Light, who proclaimed the Orthodox Faith even unto the ends of the earth, raised up persecutions against thee.
Theotokion: Deprive us not of thy mercy, O Theotokos, for the sake of King Boris who was beloved of thee, and who glorified thy Son and thee among the Bulgarians, who cry: Blessed art Thou, O Lord God, forever!
The countless tribulations thou didst endure when contending for piety, O blessed one, were like radiant crowns; for thou wast as adamant to those who beat thee, and like a magnet didst thou draw all to thee.
Strange and alien dogmas didst thou drive from the Church of Christ, theologizing concerning the hypostases of the Trinity and the unity of the Godhead, whom thou didst hymn, chanting: Blessed is the God of our fathers!
Planting the Faith like an apostle, thou didst erect temples to the true God in thy land, where honored priests could preach and celebrate the mysteries for those who cry: Blessed art Thou, O Lord God, forever!
Great joy did God give thee when the relics of fifty holy martyrs were unearthed in Tiberiopolis, and miracles were worked; and they were borne unto Bregalnitsa, unto all the people who cry: Blessed art Thou, O Lord God, forever!
Seeing the fulfillment of thy desires, in that piety was planted by thy labors, the Church was adorned with the assembly of an independent hierarchy, and the Slavonic language was sanctified by the divine services, thou didst most fervently give thanks unto God, crying: Blessed art Thou, O Lord God, forever!
Translated by Isaac Lambertsen. Edition menaion.en.lambertsen.