There is nothing more difficult for a truly creative painter than to paint a rose, because before he can do so he has first to forget all the roses that were ever painted.
Henri MatisseThe splitting up of color [as Impressionists did] brought the splitting up of form and contour . . . Everything is reduced to a mere sensation of the retina, but one which destroys all tranquility of surface and contour. Objects are differentiated only by the luminosity that is given them.
Henri Matisse