《论衡·卷三十·自纪篇》
《讥俗节义》这本书，是想使俗人觉悟，所以它的主旨清楚，是些通俗易懂的文章。
《讥俗》之书，欲悟俗人，故形露其指，为分别之文。
The book "Criticism of Vulgarity" seeks to awaken vulgar people. Therefore, its central idea is clear and its articles are easy to understand.