唯一不变的是变化本身。
The only thing that is constant is change.
The mining industry has a responsibility to operate in a way that benefits both shareholders and communities.
重复别人是一个很好的开始。重复你自己则是一个令人失望的终点。
质量就是在无人监督时依然把事情做对。
Success is not final, failure is not fatal: It is the courage to continue that counts.