《资治通鉴·唐纪·唐纪三十二》
玄宗晚年自认为天下太平，没有可以忧愁的事了，于是居于深宫之中，沉湎于声色犬马，寻求欢娱，把政事都委托给李林甫。
上晚年自恃承平，以为天下无复可忧，遂深居禁中，专以声色自娱，悉委政事于林甫。
In his later years, Xuanzong believed that the world was peaceful and had nothing to worry about, so he lived in the deep palace, indulging in music, women, and entertainment, seeking pleasure, and entrusting all political affairs to Li Linfu.