Robert Grosseteste (1175–1253) English bishop and philosopher
Commentarius in Posteriorum Analyticorum Libros (c. 1217-1220)
Source: The Way Towards The Blessed Life or the Doctrine of Religion 1806, p. 78
Robert Grosseteste (1175–1253) English bishop and philosopher
Commentarius in Posteriorum Analyticorum Libros (c. 1217-1220)
“Occasionally, light added to itself may give obscure surfaces on a body that has already received light.”
Lumen aliquando per sui communicationem reddit obscuriorem superficiem corporis aliunde, ac prius illustratam.
Francesco Maria Grimaldi (1618–1663) Italian physicist
also translated as "A body actually enlightened may become obscure by adding new light to that which it has already received." in The Penny cyclopaedia (1845), http://books.google.com/books?id=O4uLUvHTKGsC&pg=PA668 p. 668.
First account of an interference effect in Physico-mathesis de lumine, coloribus, et iride, aliisque adnexis libri duo: opus posthumum, published in Bologna (1665), http://books.google.com/books?id=FzYVAAAAQAAJ&printsec=frontcover&source=gbs_summary_r&cad=0#PPP28,M1 Proposition XXII.
“The grave itself is but a covered bridge,
Leading from light to light, through a brief darkness!”
Henry Wadsworth Longfellow (1807–1882) American poet
The Golden Legend, Pt. V, A Covered Bridge at Lucerne.
“No ray of Light can shine
if severed from its source.
Without my inner Light
I lose my course.”
Angelus Silesius (1624–1677) German writer
The Cherubinic Wanderer
“Not every light is a true light;
To the wise the light of truth is light itself.”
Thiruvalluvar book Tirukkuṛaḷ
Verse XXX.9
Tirukkural
Alice A. Bailey (1880–1949) esoteric, theosophist, writer
Source: Glamour: A World Problem (1950), Certain Preliminary Clarifications
Robert Grosseteste (1175–1253) English bishop and philosopher
see De Luce Tr. Ludwig Baur (1912) pp. 51-52
De Luce seu de Inchoatione Formarum (c. 1215-1220)
George William Russell (1867–1935) Irish writer, editor, critic, poet, and artistic painter
"Day"
By Still Waters (1906)
Giordano Bruno (1548–1600) Italian philosopher, mathematician and astronomer
As quoted in Life and Teachings of Giordano Bruno : Philosopher, Martyr, Mystic 1548 - 1600 (1913) by Coulson Turnbull