《隋书·列传·卷十》
左武卫将军刘升进谏说： 秦王并无别的过错，只是花费官府的钱物，营造自己的府第宫室罢了。
左武卫将军刘升谏曰： 秦王非有他过，但费官物营舍而已。
Zuo Wuwei General Liu Sheng advised him, saying: "King Qin has no other faults. He just spent government money to build his own palace and halls."