《隋书·列传·卷二十一》
当时炀帝逐渐好声色，尤其好征讨。宇文弼对高赹说： 过去周天元好声色而国亡，用今天与他相比，不是太过份了吗？ 
时帝渐好声色，尤勤远略，弼谓高颎曰： 昔周天元好声色而国亡，以今方之，不亦甚乎？ 
At that time, Emperor Yang gradually began to like music and women, and he especially liked expeditions. Yuwen Bi said to Gao Yu, "In the past, Zhou Tianyuan liked music and women and the country perished. Compared with him today, isn't this too much?"