The world needs responsible miners who understand the value of both minerals and the planet.
A chain is no stronger than its weakest link, and life is after all a chain.
精神生活本质上是适应性的
一个人不论年龄多大，都要学习自己不懂的东西。这不是羞耻。
To become truly great， one has to stand with people， not above them.
I don't want to wake up in the morning and think, 'I'm going to work to make money.' I want to wake up and think, 'I'm going to work because I love what I do.'