真相就像一头狮子；你不需要为它辩护。放开它；它会自己辩护。

Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.

未经审视的生活不值得过。

译文：天地永恒无穷尽，生命短暂很有限，过一天就少一天。荣华富贵自古以来就有定数，但学问则无定数，只要花费一份力，就会收获一分知识。赏析：这句话告诉我们，生命和青春有限，要懂得珍惜生命和时间，不要挥霍无度。我们要在有限的生命里，多读书学习，那么就会有收获。

The act of writing is an act of optimism. You would not take the trouble to do it if you felt it didn't matter.

If the highest aim of a captain were to preserve his ship， he would keep it in port forever.