
Source: Reflections and Maxims (1746), p. 178.
Source: The Lives of the Painters, Sculptors, and Architects, 1900, p. 5-6
Source: Reflections and Maxims (1746), p. 178.
Source: The Light of Day (1900), Ch. II: From the Artificial to the Natural
interview, April 1965, edited for broadcasting by the BBC first published in 'The Listener', Aug. 1972; as quoted in Interviews with American Artists, by David Sylvester; Chatto & Windus, London 2001, p. 37
1960 - 1970, Interview with David Sylvester 1. Spring 1965
(original Dutch: citaat van Willem Roelofs, in het Nederlands:) Ik geloof beslist dat de natuur die het meest geschikt is om na te schilderen, het eenvoudige landschap is dat weinig indrukwekkend lijkt.
as cited in Zó Hollands - Het Hollandse landschap in de Nederlandse kunst sinds 1850, Antoon Erftemeijer https://www.franshalsmuseum.nl/wp-content/uploads/2017/12/zohollands_eindversie_def_1.pdf; Frans Hals museum | De Hallen, Haarlem 2011, p. 16 – note 2
undated quotes
1900s, "The Study of Mathematics" (November 1907)
1820s, Signs of the Times (1829)
Source: 2000s, A New Birth of Freedom: Abraham Lincoln and the Coming of the Civil War (2000), p. 370
Source: Quotes, 1960 - 1970, Questions to Stella and Judd' - September 1966, p. 120
1770s, African Slavery in America (March 1775)
Quote of Mondrian about 1905-1910; in 'Mondrian, Essays' ('Plastic art and pure plastic art', 1937 and his other essays, (1941-1943) by Piet Mondrian; Wittenborn-Schultz Inc., New York, 1945, p. 10; as cited in De Stijl 1917-1931 - The Dutch Contribution to Modern Art, by H.L.C. Jaffé http://www.dbnl.org/tekst/jaff001stij01_01/jaff001stij01_01.pdf; J.M. Meulenhoff, Amsterdam 1956, p. 40