《旧唐书·本纪·卷十八》
御史中丞的名位极为重要，而现在的秩禄却不高，希望升格为从四品。 
中丞官名至重，见秩未崇，望升为从四品。 
The position of the Censor-in-Chief is extremely important, yet its current salary is not very high. It is hoped that it can be upgraded to the Fourth Rank.