中国网站品牌栏目（频道）
There is nothing permanent except change.
惟有变化才是永恒的。
更多英语谚语
Education is a progressive discovery of our own ignorance.
In education we are striving not to teach youth to make a living, but to make a life.
Every form of addiction is bad, no matter whether the narcotic be alcohol or morphine or idealism.
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