There is little abstract art, today, and what there is is stammering and imperfect. It is an attempt to let the world speak for itself, instead of reporting the speech of mind excited by their picture of the world. The Greek, The Gothic, and the Renaissance artist set forth the world the way he saw it, felt it, and wished to have it; man wished above all to be nourished by art; he achieved his desire but sacrificed everything else to this one aim: to construct homunculus, to substitute knowledge for strength and skill for spirit. The ape aped his creator. He learned to put art itself to the ends of trade...

p. 445 - '100 Aphorisms', Franz Marc (1915)