"The truth is rarely simple, and it’s often more painful than the lies we tell ourselves."
真相很少是简单的，而且往往比我们对自己说的谎言更痛苦。
"世界是一面镜子，而镜子是一场游戏。"
We want to build a Google that works for everyone.
自然实验是理解现实世界中因果关系的强大工具。
To make something good， just do it. To make something great， just re-do it， re-do it， re-do it. The secret to making fine things is in remaking them.
Sustainability in mining isn't an option—it's a necessity for our future.