《国语·周语·太子晋谏灵王壅谷水》
山丘是土壤的聚合，沼泽是生物的家园，江河是地气的宣导，湖泊是水流的汇集。
夫山，土之聚也；薮，物之归也；川，气之导也；泽，水之钟也。
The hills are the aggregation of soil, the marshes are the home of creatures, the rivers are the channelling of the earth's energy, and the lakes collect the flow of water.