《资治通鉴·陈纪·陈纪一》
高演说： 天下都震慑于您的淫威不敢出声，不是我谁还敢有话！ 
演曰： 天下噤口，非臣谁敢有言！ 
Gao Yan said: The entire world is terrified of your despotic power and dares not speak. If it were not for me, who else would dare to say anything?