《资治通鉴·汉纪·汉纪十》
奏书上呈武帝，武帝召见了他们三人，对他们说： 诸位原来都在何处，我们为什么相见得这样晚！ 
书奏，天子召见三人，谓曰： 公等皆安在，何相见之晚也！ 
They wrote to Emperor Wu, and Emperor Wu summoned the three of them and said to them: Where have you been before, and why did we meet so late!