唐宋詩學的系統樹

The Phylogenetic Tree of Tang and Song Poetics

系統樹便於我們觀察文學作品、作者之間的關連性，這是其優點所在。然而，本文側重於反思系統樹引發的一些問題、弊端。其一，文學本質上是複雜多樣的，系統樹的構建可能會導致文學的多樣性被忽視、某些詩人之間的繼承關係被忽略。陶淵明、杜甫就是兩個重要的例子。其二，唐宋之間當然存在連續性，但同時也有斷裂之處，系統樹難以捉住某些斷裂點。例如，我們可以從關於夜半鐘聲、桃花源的討論中，看到宋人對於事實的執著態度顯著增強，與唐人形成了鮮明的對比。

The phylogenetic tree enables us to observe the interconnections among literary works and authors, which is its primary advantage. However, this paper reflects on several problems and limitations inherent in such a system. Firstly, literature is inherently complex and diverse, and the construction of the phylogenetic tree risks neglecting this diversity or specific lines of literary inheritance. The cases of Tao Yuan Ming and Du Fu are two important examples in this regard. Secondly, while there is continuity between the Tang and Song dynasties, there are also apparent ruptures. The phylogenetic tree has difficulty capturing these points of discontinuity. For instance, in discussions of the“midnight bell”or the“peach blossom paradise,”one observes a markedly stronger attachment to factual accuracy among Song poets, which sharply contrasts with their Tang predecessors.