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当一扇门关闭时,你要知道,另一扇门正在打开。
When one door is closed, don't you know, another is open.
The best leaders are those who listen more than they speak.
历史学家必须与其研究对象有某种亲缘关系。死者不会开口,除非你以恰当的方式呼唤他们。
Heredity is nothing but stored environment.
The beauty of mathematics only shows itself to more patient followers.