《新唐书·列传·卷三》
先朝一律封王，爵命尊崇而力役繁多，以天下财力私自奉养，非所以显示至公之义。 
先朝一切封之，爵命崇而力役多，以天下为私奉，非所以示至公。 
In former dynasties, all the relatives of the emperors were titled as kings with high ranks and many servants, which meant heavy duties and excessive use of public funds to support their personal life, which was not the right way to display public-oriented.