Rector Potens Verax Deus

Splendore Mane Instruis et Ignibus MeridiemRector Potens, Verax Deus is attributed to the 4th century Doctor of the Church and Bishop of Milan, St. Ambrose (c.340-397). In the Roman Breviary it is sung at the hour of Sext (Midday Prayer). Gregorian RECTOR POTENS, VERAX DEUS1. Rector potens, verax Deus,qui temperas rerum vices,splendore mane instruiset ignibus meridiem,2. Extingue flammas litium,aufer calorem noxium,confer salutem corporumveramque pacem cordium.3. Praesta, Pater piissime,Patrique compar Unice,cum Spiritu Paraclitoregnans per omne saeculum. Amen.  Ambrosian