let your mercy be upon us,
and let the brightness of your Spirit
illumine our inward souls,
that he may kindle our cold hearts
and enlighten our dark minds;
who abides with you in glory forever.
Source: Mozarabic collect.
Source of this version: Ancient Collects, and Other Prayers, ed. William Bright, 1902, also in Prayers of the Middle Ages, edited by J. Manning Potts, 1953.