
Quote from Derain's letter to Maurice de Vlaminck, c. 1906; as cited in 'Report: André Derain's 'Trees by a Lake', by Cleo Nisse and Francesca Whitlum-Cooper http://courtauld.ac.uk/wp-content/uploads/2015/06/Report-Derain-by-F-Whitlum-Cooper-and-Cleo-Nisse.compressed.pdf, p. 5