A painter, who finds no satisfaction in mere representation, however artistic, in his longing to express his inner life, cannot but envy the ease with which music, the most non-material of the arts today, achieves this end. He naturally seeks to apply the methods of music to his own art.
Kandinsky, Russia and the Bauhaus, 1912-1932: January 5-Febr Uary 11, 1984 (ed. 1983)