China;s history has been one of repeated 300-year to 500-year cycles. But this time is looking more like slow decay everywhere, true. Collapse? People need to

China;s history has been one of repeated 300-year to 500-year cycles. But this time is looking more like slow decay everywhere, true. Collapse? People need to know and understand Adam Smith's remark that "there is a lot of ruin in a nation".