"Every subject at some phase of its development should possess, what is for the individual concerned with it, an aesthetic quality."

Next Quote

The beautiful is and remains beautiful though it arouse no emotion whatever, and though there be no one to look at it. In other words, although the beautiful exists for the gratification of an observer, it is independent of him. In this sense music, too, has no aim (object), and the mere fact that this particular art is so closely bound up with our feelings by no means justifies the assumption that its aesthetic principles depend on this union.

— Eduard Hanslick