A Collection of Prayers

III. Kyrie, Fons Bonitatis
On the Epiphany, Whitsun (Pentecost) Day especially.

O Lord, fountain of goodness, Father unbegotten, from whom all good things come, have mercy on us.

O Lord, you sent your Son to suffer for the sins of the world that he might save it, have mercy on us.

O Lord, you bestow the sevenfold gifts of the Spirit, by whom heaven and earth are filled, have mercy on us.

O Christ, the only-begotten of God the Father, whom the holy prophets wondrously foretold to be born into the world of a virgin, have mercy on us.

O holy Christ, Lord of heaven, theme of glorious song, before whom the highest angels ever stand, chanting the praise of your divinity, have mercy on us.

O Christ, from heaven accept our prayers. We devoutly and humbly worship you on earth, calling to you, gentle Jesus, have mercy on us.

O Lord, gracious Spirit, in union with the Father and the Son, consisting of one nature, proceeding from both, have mercy on us.

O Lord, who appeared in the form of a dove when Christ was baptized in the water of Jordan, have mercy on us.

O Lord, fire divine, kindle our hearts that we may proclaim you, have mercy on us. 

Source: The Sarum Missal in English, Part II, Alcuin Club Collections, No. XI

Original in Latin:

Kyrie, fons bonitatis, Pater ingenite a quo bona cuncta procedunt, eleison.
Kyrie, qui pati natum mundi pro crimine, ipsum ut salvaret, misisti, eleison.
Kyrie, qui septiformis dans dona pneumatis, a quo cælum, terra replentur, eleison.

Christe, unice Dei Patris genite, quem de Virgine nasciturum mundo mirifice sancti predixerunt prophetæ, eleison.
Christe hagie, cæli compos regiæ, melos gloriæ cui semper astans pro numine angelorum decantat apex, eleison.
Christe cælitus, adsis nostris precibus, pronis mentibus quem in terris devote colimus, ad te pie Iesu clamamus, eleison.

Kyrie, spiritus alme, cohærens Patri natoque, unius usiæ consistendo, flans ab utroque, eleison.
Kyrie, qui baptizato in Iordanis unda Christo, effulgens specie columbina apparuisti, eleison.
Kyrie, ignis divine, pectora nostra succende, ut digni pariter decantare possimus semper, eleison.

II. Kyrie,  Rex Genitor Ingenite
On all other double Feasts.

Lord, King, Father unbegotten, true Being, have mercy on us.

Lord, fountain of light and maker of all things, have mercy on us.

Lord, you sealed us with the form of your image, have mercy on us.

Christ, in the form of God, partaker of our human nature, have mercy on us.

Christ, the rising dawn, by whom all things were made, have mercy on us.

Christ, perfect Wisdom, have mercy on us.

Lord, quickening Spirit, power of life, have mercy on us.

Lord, proceeding from both the Father and the Son, in whom are all things, have mercy on us.

Lord, the cleanser of iniquities and bestower of grace, have mercy on us.

Lord, on account of our offenses, do not leave us, have mercy on us.

Comforter of the sorrowing soul, have mercy on us.

Source: The Sarum Missal in English, Part II, Alcuin Club Collections, No. XI

Original in Latin:

Kirrie rex genitor ingenite uera essentia eleyson.
Kirrie luminis fons et rerum conditor eleyson .
Kirrie qui nos tuę imaginis signasti specie eleyson.
Christe lux oriens per quem sunt omnia eleyson.
Christe qui perfecta es sapientia eleyson.
Christe dei forma humane particeps eleyson.
Kirrie spiritus uiuifice uitę uis eleyson.
Kirrie utriusque uapor in quo cuncta’ eleyson.
Kirrie expurgator scelerum et largitor gratie
Petimus: propter nostras offensas noli nos relinquere
O consolator dolentis anime eleyson,

I. Pater Creator Omnium
On all principal Feasts.

God, Creator of all things, our God, in your pity, have mercy on us.

To you, Christ, King of kings, rejoicing in praise together, we pray, have mercy on us.

To you belongs praise, virtue, peace, and dominion forever and ever, have mercy on us.

Christ, our only king, co-eternal Son of the gracious Father, have mercy on us.

You saved lost humanity, restoring all from death to life, have mercy on us.

Jesus, good Shepherd, so the sheep of your pasture will not perish, have mercy on us.

Spirit, Comforter, we your people pray, have mercy on us.

Lord, our strength and our eternal salvation, have mercy on us.

Supreme and one God, mercifully grant us the gifts of life, and in your kindness, have mercy on us.

Source: The Sarum Missal in English, Part II, Alcuin Club Collections, No. XI,11th-15th centuries

Original (or similar text) in Latin:
Pater creator omnium tu theos ymon nostri pie eleyson .
Tibi laudes coniubilantes regum rex pie orainus te eleyson.
Laus uirtus pax et imperium cui est semper sine fine eleyson .
Christe rex unice patris almi nate coeternęt eleyson.
Qui perditum hominem saluasti de morte reddens uitę eleyson.
Ne pereant pascue oues tuę ihesu pastor bone eleyson .
Kirri soter agye supplices imas te exoramus eleyson.
Uirtus nostra domine atque salus uera in eternum eleyson.
Trine deus et une uite donat nobis tribue misertus nostrique tu digneris eleyson.