《明史·列传·卷一百二十九》
起先因官级已到顶，加封太子太保，到此乞求退休，上十三道疏。
先以秩满，加太子太保，至是乞休，疏十三上。
At first, because the official rank had reached the top, in addition to being named a Prince Taibao, he begged to retire and went to the top thirteen speeches.