《资治通鉴·唐纪·唐纪一》
宇文化及拥有十几万人，占有六宫，自己的供养与隋炀帝完全相同。
宇文化及拥众十馀万，据有六宫，自奉养一如炀帝。
Yuwen Huaji had hundreds of thousands of people under his command and occupied the palace. He was treated just as luxuriously as Emperor Yang.