《资治通鉴·唐纪·唐纪二十九》
唐玄宗曾经对着镜子默默不乐，旁边的人说： 韩休当宰相以来，您比以前瘦多了，为什么不将他斥退？ 
上尝临镜默然不乐，左右曰： 韩休为相，陛下殊瘦于旧，何不逐之！ 
Emperor Xuanzong of Tang once unhappily gazed at the mirror, and someone next to him said: "Since Han Xiu became the prime minister, you have lost a lot of weight. Why don't you dismiss him?"