“The summer was heavy with a kind of soft grey-blue weight in the sky—yet not in the sky, for it was as though there were no sky, but only air, an impalpable grey-blue substance, drugged with the weight of its own heat and hue.”

short notation, 1881: from 'Notes inedites de Seurat sur Delacroix', in 'Bulletin de la Vie Artistique', April 1922; as quoted by John Rewald, in Georges Seurat', a monograph https://ia800607.us.archive.org/23/items/georges00rewa/georges00rewa.pdf; Wittenborn and Compagny, New York, 1943. p. 6 - note 9
Seurat studied carefully the paintings of Eugene Delacroix, and wrote in 1881 about Delacroix's painting 'The Fanatics of Tangier' https://upload.wikimedia.org/wikipedia/commons/a/a0/Eug%C3%A8ne_Delacroix_-_The_Fanatics_of_Tangier_-_WGA06195.jpg this notation
Quotes, 1881 - 1890

Flying Out of This World

the washed-out, almost invisible blue of a hot, summer noon; the soft robin's egg, sometimes almost greenish blue of a late springtime evening, the darker, almost violet blue of fall. I have become a connoisseur of the coloring that the leaves take on in autumn and I know all the voices and the moods of the woods and river valley. I have, in a measure, entered into communion with nature, and in this wise have followed in the footsteps of Red Cloud and his people, although I am sure that their understanding and their emotions are more fine-tuned than mine are. I have seen, however, the roll of seasons, the birth and death of leaves, the glitter of the stars on more nights than I can number and from all this as from nothing else I have gained a sense of a purpose and an orderliness which it does not seem to me can have stemmed from accident alone.
It seems to me, thinking of it, that there must be some universal plan which set in motion the orbiting of the electrons about the nucleus and the slower, more majestic orbit of the galaxies about one another to the very edge of space. There is a plan, it seems to me, that reaches out of the electron to the rim of the universe and what this plan may be or how it came about is beyond my feeble intellect. But if we are looking for something on which to pin our faith — and, indeed, our hope — the plan might well be it. I think we have thought too small and have been too afraid...
Ch 24
A Choice of Gods (1972)

The London Literary Gazette, 1823

Quote from Degas' working notes; as quoted in The private lives of the Impressionists, Sue Roe, Harpen Collins Publishers, New York 2006, p. 34
quotes, undated

Source: The City of Ember

1970s - 1980s, interview with Deborah Salomon in 'New York Times', 1989

Quote of Boudin's letter, from Venice, 1895; to art-dealer Durand-Ruel; as cited in 'Venice, The Grand Canal' 1895, by Anne-Marie Bergeret-Gourbin https://www.museothyssen.org/en/collection/artists/boudin-eugene/venice-grand-canal, Museo Thyssen
1880s - 1890s

"Feeling" [Ganjue]