"The means of expression is the optical mixture of tones, of tints , that is, of the lights and of their reactions following the laws of contrast, of gradation, of irradiation."

“John Rewald: GEORGES SEURAT, complete monograph in pdf; on Archive”

“Rood was in my possession the day after the appearance of Philippe Gille's book review, published by 'Le Figaro', 1881 . I abandon earth colors from 82 to 1884. On Pissarro's advice I stop using emerald green”

“..the flag is green with a red spot in the center; above, the blue of the sky, the orange-tinted white of the walls, and the orange-grey of the clouds.”

“They see poetry in what I have done. No, I apply my method and that is all there is to it.”

“In conclusion I am going to give you the aesthetic and technical note that concludes Mr. Christophe's piece and which originated with me; I am modifying it a little, not having been well understood by the printer.”

“article online: 'Seurat: 'Optical Truth' or 'Science seen through a Personality'?'”