http://www.enewspf.com/index.php?option=com_content&view=article&id=9165:remarks-by-president-obama-at-uschina-strategic-and-economic-dialogue&catid=88888983:latest-national-news&Itemid=88889930

>Thousands of years ago, the great philosopher Mencius said: "A trail through the mountains, if used, becomes a path in a short time, but, if unused, becomes blocked by grass in an equally short time."