《金史·列传·卷六十九》
天德三年，开始任用王光道为内藏库使，卫愈、梁安仁都以宦官的身份领导内藏，海陵对光道等人说： 人说宦官不可以任用，朕认为不是这样。
天德三年，始以王光道为内藏库使，卫愈、梁安仁皆以宦官领内藏。海陵谓光道等曰： 人言宦者不可用，朕以为不然。
In the third year of Tiande, Wang Guangdao was appointed as the Director of the Ministry of the Emperor’s Household, while Wei Yu and Liang Anren both led the Ministry of the Emperor’s Household with the identity of eunuchs, and Hailin said to Guangdao and others: “People say that eunuchs cannot be employed, but I don’t think that is so.