《资治通鉴·唐纪·唐纪一》
炀帝说： 朕正打算回去，只为长江上游的运米船未到，现在和你们回去吧！ 
帝曰： 朕方欲归，正为上江米船未至，今与汝归耳！ 
The Emperor Yang said, "I was just thinking of heading back, but it was only because the ships transporting the rice from the upper reaches of the Yangzi River had not arrived, but I will now return with all of you!"