Dominus illuminatio mea

Common card · No. 477051

Dominus illuminatio mea (English: 'The Lord is my light') is the incipit of Psalm 27 and is used by the University of Oxford as its motto. It has been in use there since at least the second half of the sixteenth century, and it appears in the coat of arms of the university. An article written in 2000 by the Roman Catholic priest and theologian Ivan Illich (1926–2002) may help to explain this ancient university motto, at a time when scientists were progressively replacing the concept of vision as a gaze radiating from the pupil by the concept of vision as the retinal perception of an image formed by reflected sunlight: To interpret De oculo morali, the relationship of things to God "who is light" must be understood. This is the century [i.e., the thirteenth century] suffused by the idea that the world rests in God's hands, that it is contingent on Him. This means that at every instant everything derives its existence from his continued creative act. Things radiate by virtue of their constant...

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