*[http://en.epochtimes.com/news/4-12-11/24830.html ''Rectification in Yan’an—Creating the Most Fearsome Methods in Persecution''], "The rectification movement in Yan’an was the largest, darkest and most ferocious power game ever played out in the human world"
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*[http://archive.is/yMDJU ''Rectification in Yan’an—Creating the Most Fearsome Methods in Persecution''], "The rectification movement in Yan’an was the largest, darkest and most ferocious power game ever played out in the human world"