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理解的第一个迹象是想死。
A first sign of the beginning of understanding is the wish to die.
We must balance economic growth with environmental responsibility.
The task of the modern educator is not to cut down jungles, but to irrigate deserts.
不要去跟随已经有的道路,去探索没有被开拓的新道路,留下自己的足迹。