《资治通鉴·晋纪·晋纪二十六》
如今让部队艰辛地出征万里之外，重犯汉武帝的错误，我私下里为此感到痛惜。 
今劳师万里之外，以踵汉氏之过举，臣窃惜之。 
“Now, if you were to commit the same mistake with your soldiers by making them travel ten thousand miles, I would privately regret it.”