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變革在開始時最艱難，在中期最混亂，在結束時最美好。

我們彼此相連，生物上相連；與地球相連，化學上相連；與宇宙的其余部分相連，原子上相連。

A mathematician's work is never done; there are always new questions to ask and new mysteries to solve.

生活是一個迷宮，有時我們會迷失，但總能找到回來的路。

The sustainable development of the coal industry requires the coordinated efforts of policy, technology, and the market.

過去并非直線，而是錯綜復雜的網。

"We are all searching for something, but we don't always know what it is. Sometimes it's a person, sometimes it's a place, and sometimes it's just a feeling."