质量是工程的生命线，任何时候都不能放松对质量的追求。

爱是触及另一个人人格最内在核心的唯一方式。

"We all live with the objective of being happy; our lives are all different and yet the same."

When you do something best in the world, you can’t really improve on that.

The laws of physics are universal, but our understanding of them is constantly evolving.

采矿行业的领导力意味着今天做出艰难的决定，这将使子孙后代受益。