《新五代史·列传·杂传第三十三》
朱友谦说： 郭公对国家有大功，却因别人说坏话而死，我不替自己辩白，谁为我说话！ 
友谦曰： 郭公有大功于国，而以谗死，我不自明，谁为我言者！ 
Zhu Youqian said: "Sir Guo did great things for our state, but was killed because others slandered him. If I do not argue my case, who will speak for me!"