A repertory, a patrimony of ballets, tended as carefully as the collection of 600-year-old bonsai in Tokyo's Imperial Palace conservatory, is not replaced; it is preserved, maintained, refreshed to give rebirth by grafting and seedlings.
Source: On NYC Ballet; in NY Times, 17 Mar 83
-- Lincoln Kirstein, (May 4 1907-1996), US ballet authority, impresario, writer; He collaborated with George Balanchine to found/direct the NY City Ballet, 1946 and School of American Ballet, 1934.