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Innovation in mining technology isn't an option—it's an obligation we owe to both our workers and the environment.

成功就是帶著熱情從一個失敗走向另一個失敗。

The man who lets a leader prescribe his course is a wreck being towed to the scrap heap.

生命太短暫，不要把時間浪費在不尊重你的人身上。

Concerning the gods, I have no means of knowing whether they exist or not or of what sort they may be. Many things prevent knowledge including the obscurity of the subject and the brevity of human life.

數學是邏輯思想的詩歌。