半亩方塘一鉴开，天光云影共徘徊。问渠哪得清如许，为有源头活水来。南宋朱熹《观书有感》中的这四句诗，意思是很明白的：半亩大的一个方方水塘像面镜子一样，天色云影一起反映到水塘里不停晃动。要问它为什么这样明净透澈，只因为上有源头，活水能不断地流进来。今天，我们 Half a square pond a Kam open, a total of wandering clouds sky. Where can I find it clear, for the active living water. The four poems in Zhu Xi’s “View on the Book” in the Southern Song Dynasty are very clear: One half a mu of large square pond is mirrored like a mirror, and the clouds in the sky are reflected in the pond constantly shaking. To ask why it is such a clear and transparent way, just because there is a source, living water can continue to flow in. today we