Every challenge in mining is an opportunity to redefine our future.

The world is full of people who have never, since childhood, met an open doorway with an open mind.

伤害我们的并非我们的遭遇，而是我们对此的回应。

夜晚是一位伟大的老师，但很少有人愿意学习。

时间会揭露一切秘密。

在那样的年纪，我会找任何借口做些估测或者小算术。我会计算油耗还有杂货花销等鸡毛蒜皮的小事。我听过一个有关吸烟的广告。我记不得细节了，但是广告大意是说，每吸一口香烟会减少几分钟的寿命，大概是两分钟。无论如何，我决定为祖母做个算术。我估测了祖母每天要吸几支香烟，每支香烟要吸几口等等，然后心满意足地得出了一个合理的数字。接着，我捅了捅坐在前面的祖母的头，又拍了拍她的肩膀，然后骄傲地宣称，"每天吸两分钟的烟，你就少活九年！"

Collaboration is key to breakthroughs—no one does it alone.

Prices are important not because money is considered paramount but because prices are a fast and effective conveyor of information through a vast society in which fragmented knowledge must be coordinated.