"I borrow some subject or other from life or from nature, and, using it as a pretext, I arrange lines and colors so as to obtain symphonies, harmonies that do not represent a thing that is real, in the vulgar sense of the word, and do not directly express any idea, but are supposed to make you think the way music is supposed to make you think, unaided by ideas or images, simply through the mysterious affinities that exist between our brains and such arrangements of colors and lines."