《资治通鉴·晋纪·晋纪二》
当初，晋武帝觉得太子不聪明，担心他不能挑起继承王位的重任，曾经秘密地和皇后商议。
初，帝以太子不慧，恐不堪为嗣，常密以访后。
At first, Emperor Wu of Jin felt that the prince was not smart and worried that he would not be able to carry the heavy burden of inheriting the throne, so he once secretly discussed with the queen.