.. it [painting art] has never been so truly realistic, so firmly attached to its own period as it is today. A kind of painting that is realistic in the highest sense is beginning to appear, and it is here today... The advertising billboard, dictated by modern commercial needs, that brutally cuts across a landscape.... this yellow or red poster shouting in a timid landscape, is the best of possible reasons for the new painting; it topples the whole sentimental literary concept and announces the advent of plastic contrast.

in 'Functions of Painting by Fernand Leger'; p. 12 - Contemporary Achievements in Painting, Fernand Leger (1914)