《北史·列传·卷五十一》
这时，便奏请朝廷减少赋税和劳役，务必按照典章制度制定赋役标准，隋文帝都接受了。
至是，奏减赋役，务从轻典，帝悉从之。
At this time, he played for the court to reduce taxes and labor, and must formulate taxation and service standards according to the system, which was accepted by Emperor Wen of Sui.