《资治通鉴·唐纪·唐纪十二》
况且东宫臣属与正直之士，都没有在身旁；各种奇技淫巧，充斥深宫。
况宫臣正士，未尝在侧；群邪淫巧，昵近深宫。
"Moreover, the Crown Prince is surrounded by flatterers and no upright officials; strange and extravagant habits are permeating his palace."