《文心雕龙·才略》
可是曹丕的乐府诗清新激越，《典论·论文》辩明扼要：注意到他们各有长短，也就可以做正确的评价了。
而乐府清越，《典论》辩要，迭用短长，亦无懵焉。
However, Cao Pi's Yuefu poems were fresh and passionate, and his "Dianlun·Lunwen" clarified the essentials: pay attention to their strengths and weaknesses, and the correct evaluation can be made.