《汉书·志·五行志上》
天帝发出的告诫似乎是说，政令都不能行使，还存放这礼仪之用的乐器干什么？
天戒若曰，不能行政令，何以礼乐为而臧之？
The warning from the Emperor of Heaven seemed to say, if the government order cannot be carried out, what's the use of keeping the musical instruments for rituals?