《隋书·列传·卷二十八》
不料让我当了太子，入守神器，当万国首领。我身轻负重，怎能承受得了？
谬其入守神器，元良万国，身轻负重，何以克堪！
Unexpectedly I was made the Crown Prince, asked to guard the imperial palace, and to be the leader of all countries. My body and mind are burdened; how can I bear all this?