《资治通鉴·汉纪·汉纪二十三》
谷永回答道： 臣闻知，身居君王之位的国家统治者，可怕的是，当他有危害国家的行为时，而关于告诫危亡方面的话却不被奏知。
永对曰： 臣闻王天下、有国家者，患在上有危亡之事而危亡之言不得上闻。
Gu Yong replied: I have heard that what is terrible for those who govern the country and have the status of a monarch is when they have behaviors that harm the country, but they are not informed about the warning of danger.