西方人说：生命在于运动。 　　中国人说：树挪死，人挪活。 　　我们无法考证这些民谚俗语出于何时何人之口，只知道它们道出了与人生有关的朴素而又深刻的哲理。体育运动能够增强人的体魄健康，只是“生命在于运动”的一个极狭窄的含义；良禽择木而栖式地选择生活环境，也不是“ Westerners say: life is movement. Chinese say: Tree move dead, people move live. We can not examine the time when these proverbs are spoken, only knowing that they have come to terms with the simple and profound philosophy associated with life. Physical exercise can enhance people’s physical health, but a very narrow meaning of ”life is movement “; good bird choose the habitat of living and choose habitat, not ”