Rector Potens, Verax Deus

This hymn is used for Sext on Sundays and Weekdays throughout the year in the Extraordinary form and the Ordinary Form of the Roman Breviary. It was also used for Sext in the Sarum Breviary.

Rector potens, verax Deus,
Qui temperas rerum vices,
Splendore mane instruis*
Et ignibus meridiem,

Extingue flammas litium,
Aufer calorem noxium**,
Confer salutem corporum
Veramque pacem cordium.

Præsta, Pater piissime,
Patrique compar Unice,
Cum Spiritu Paraclito
Regnans per omne sæculum. Amen.

Words: Attr. St. Ambrose, 4th C.
Tune:Rector Potens Verax Deus” Gregorian Chant, Mode II, traditional.***
Meter: 88.88

* This line is rendered as the following in the Extraordinary Form:
“Splendore mane illuminas”
**The Hymnale Secundum Usum Insignis Ac Praeclarae Ecclesiae Sarisburiensis (1850) has this word as “noctium.”
***This tone is used for Sundays throughout the year. There are a number of other musical settings for this hymn.

This hymn has been translated into English as the following:
Lord of Eternal Truth and Might
O God of Truth, O Lord of Might
Oh God of Truth, Almighty Lord


About Noah

musings of a young Catholic aspiring to be faithful to his Lord and God Jesus Christ through His Holy Catholic Church
This entry was posted in Ancient & Mediaeval Hymns, Breviaries, Hymns By The Greats, Latin Hymns, Non-English Hymns, Offices of the Breviary, Roman Breviary, Saints of the Church (Canonized or Beatified), Sarum Breviary, Sext, St. Ambrose, The Liturgy of Hours/Breviary, The Liturgy of the Church. Bookmark the permalink.

3 Responses to Rector Potens, Verax Deus

  1. Pingback: Lord Of Eternal Truth And Might! | Saint Augustine's Lyre

  2. Pingback: O God Of Truth, O Lord Of Might | Saint Augustine's Lyre

  3. Pingback: Oh God Of Truth Almighty Lord | Saint Augustine's Lyre

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