The first thing to change in my painting was the color [c. 1908-09]. I forsook natural color for pure color. I had come to feel that the colors of nature cannot be reproduced on canvas. Instinctively I felt that painting had to find a new way to express the beauty of nature.

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; J.M. Meulenhoff, Amsterdam 1956, p. 40