《论衡·卷二十八·正说篇》
文字具有一定的意义以构成句子，句子具有一定的数目以构成章节，章节具有一定的体例以缀结成篇。篇就是章节句读的结合。
文字有意以立句，句有数以连章，章有体以成篇，篇则章句之大者也。
Characters have certain meanings to form sentences. Sentences have certain numbers to form chapters, and chapters have certain styles to form articles. The article is a combination of chapters, sentences, and punctuation.