...In the modern movement in art, then, as in so many cases in past history, the revolution in art seems to be out of all proportion to any corresponding change in life as a whole. It seems to find its sources, if at all, in what at present seem like minor movements. Whether the difference between the nineteenth and twentieth centuries will in retrospect seem as great in life as they already do in art I cannot guess—at least it is curious to note how much more conscious we are of the change in art then we are in the general change in thought and feeling...