O God of Truth, O Lord of Might

O God of truth, O Lord of might,
Who ord’rest time and change aright,
Bright’ning the morn with golden gleams,
Kindling the noonday’s fiery beams.

Quench Thou in us the flame of strife,
From passion’s heat preserve our life,
Our bodies keep from perils free,
And give our souls true peace in Thee.

Almighty Father, hear my cry
Through Jesus Christ our Lord most high,
Who with the Holy Ghost and Thee
Doth live and reign eternally.

Author: St. Ambrose of Milan

Year: 370

This is an English translation of the Latin hymn 'Deus veritatis, Domine virtutum' (or similar incipit), traditionally attributed to Ambrose. The most common English version is by John Mason Neale or the compilers of Hymns Ancient and Modern; the lyrics given match the translation of Ambrose's morning office hymn.