《旧唐书·本纪·卷十六》
各司署的各种事务，恐怕会逐渐让皇上的心中忧愁、烦恼。 皇上说： 哪里会到这个地步？ 
百司庶务，渐恐劳烦圣虑。 上曰： 何至于是？ 
I am afraid that the various affairs of each department will gradually cause the emperor's heart to be worried and annoyed. The emperor said: How can it reach this point?