Sustainability must be at the core of every decision we make in the mining sector.

We are all haunted by the ghosts of our own pasts, and sometimes, by the ghosts of others.

"If liberty means anything at all, it means the right to tell people what they do not want to hear."

因为，一个人可以同时是忠实的，又是懒惰的。

If you want to be successful, you have to be willing to make tough decisions.

膨胀是一个非常简单的想法，但它解释了很多事情。