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生活是世界上最罕见的事情。大多数人只是存在,仅此而已。
"To live is the rarest thing in the world. Most people exist, that is all."
It is human nature to think wisely and act foolishly.
To write is to breathe life into the silent corners of the soul.
我们教授一门学科不是为了培养关于该学科的小型活图书馆,而是让学生自己学会数学思考。