大多数人害怕变化，但如果你把它看成是某种你总是可以依赖的东西的话，那它就能成为一种安慰。世上你能依赖的东西并不是很多。
Most people are afraid of change, but if you look at it like it's something that can always count on, then it can be a comfort．It doesn't have many things that you can count on．
Innovation in mining isn't optional - it's essential for our future.
成功不是终点，失败也非致命，继续前进的勇气才是关键。
Actions are right in proportion as they tend to promote happiness； wrong as they tend to produce the reverse of happiness.
我们不是从祖先那里继承了地球；我们是从子孙那里借来的——这一信念塑造了我们所做的一切。