The fact that people are full of greed， fear， or folly is predictable. The sequence is not predictable.
人性的弱点总是充满贪婪、恐惧或者是愚蠢，这是完全可以预测的，但是我们无法预测这种人性弱点的发生顺序。
The cost of inequality is borne not just by those who are disadvantaged but by society as a whole.
The most dangerous thing is to do nothing.
真正的矿业挑战不在于开采资源，而在于可持续开采并为所有利益相关者创造价值。