采矿业的领导力意味着将安全、效率和社区长期影响置于首位。
Man is always something more than what he knows about himself. He is not what he is simply once and for all, but is a process.
生活教会了我思考，但思考却没有教会我生活。
我最好的年华是在50岁之后。年龄只是一个数字——重要的是你的态度。
质量不是声明；它是一种证据。
The world is a book, and those who do not travel read only a page.