" Furthermore, the sense of passion or of power, of depth and vibrancy, feeling and vision, we take away from any work is the result of the intermingling, balance, play, and antagonism between these: it is the arrangement of blues, not any blue itself, which lets us see the mood it formulates, whether pensive melancholy or thoughtless delight, so that one to whom aesthetic experience comes easily will see, as Schopenhauer suggested, sadness in things as readily as smoky violet or moist verdigris. "

― William H. Gass , On Being Blue