Does this apply to the evolution of artforms?

[joseph berg]

- *When our merits sink*, our tastes sink too.

 Frangois La Rochefoucauld (duc
de)<http://www.google.com/search?hl=en&tbm=bks&q=inauthor:%22Fran%C3%A7ois+La
+Rochefoucauld+(duc+de)%22&sa=X&ei=yLebTvi8B4yjtgeTi5XtAw&ved=0CBcQ9Ag>