Abstract Art, Anna Moszynska, Thames and Hudson 1990, p. 182 
from posthumous publications
                                    
        “Be content —
Expansions, diffusions — content to be
The unspotted imbecile revery,
The heraldic center of the world
Of blue, blue sleek with a hundred chins,
The amorist Adjective aflame…”
    
    
    
    
        
        
        
            
            
        
        
        
        
        
        The Man With the Blue Guitar (1937)
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Wallace Stevens 278
American poet 1879–1955Related quotes
                                
                                    “I am the blues
I am the blues
The whole world knows
I've been mistreated and misused.”
                                
                                
                                
                                
                            
"I Am The Blues" (Hoochie Coochie Music/Arc Music, 1969), reported in I am the Blues: the Willie Dixon Story (with Don Snowden, 1990), p. 1.
“I exhaust myself terribly to content the world, and never manage to content myself.”
                                        
                                        Quote of Boudin's note, c. 1890; as cited in G. Jean-Aubry & Robert Schmit, Eugène Boudin, Greenwich: New York Graphic Society, 1968, p. 115 
1880s - 1890s
                                    
                                        
                                        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
                                    
I am the Blues: the Willie Dixon Story (with Don Snowden, 1990), p. 2.
                                        
                                        In 1958; p. 41 
before 1960, "Yves Klein, 1928 – 1962, Selected Writings"
                                    
“The world is content with setting right the surface of things.”
                                        
                                        Discourse VIII, pt. 8. 
The Idea of a University (1873)
                                    
Stephen Tobolowsky in a Facebook post on July 3, 2014 https://www.facebook.com/stephentobolowsky/posts/897200563629843.