古人作诗作文 ,其言简而要 ,其事详而博 ,很少长篇大论 ,更忌言之无物。用一种比喻的说法 ,即“沙汰其枝叶 ,而约取其本根。”这可以奉为一种写作之准则。随便以唐代诗人宋之问游记式诗篇《泛镜湖南溪》为例 :“乘兴入幽栖 ,舟行日向低。岩花候冬发 ,谷鸟作春啼。沓嶂开天小 , The ancients made poetry composition, its concise and important, its details and Bo, seldom long-winded, but not to say nothing. In a metaphorical way, “to eliminate its branches and leaves, and to take the root.” This can be regarded as a writing criterion. Randomly to the Tang Dynasty poet Song Travels Psalm “Pan Crystal Hunan Creek” as an example: "By Hing into the quiet habitat, boat day to low. Rock flowers for winter hair, Valley birds for spring cry.