《宋书·志·卷三十》
到天下发生动乱，宰辅方伯，多数不能履行职责，朝廷又屡屡改变任命，这是不崇尚实效的应验。 
及天下乱扰，宰辅方伯，多负其任，又数改易，不崇实之应也。 
When the world is in chaos, most of the prime minister and the feudal lords cannot fulfill their duties, and the court repeatedly changes the appointment, which is the fulfillment of not advocating practicality.