《北史·列传·卷八十七》
皇帝是我的妻子的父亲，就是我的父亲。我是皇帝女儿的丈夫，也就如同儿子一样。两种情况虽然不同，但情义是一样的。
皇帝是妇父，即是翁，此是女夫，即是兒例，两境虽殊，情义是一。
"The Emperor is my wife's father, and thus he is also my father. I am the husband of the Emperor's daughter, and thus I am like his son. Although these two circumstances are different, the familial sentiment is the same."