A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.

世界上充满了自童年以来从未以开放的心态面对开放之门的人。

世界上只有一种真正的英雄主义，那就是认清生活的真相后依然热爱生活。

In business, adaptability is just as important as strategy.

避免痛苦的唯一方法就是不要有足够的闲暇去思考你是否快乐。

The only thing that makes life possible is permanent, intolerable uncertainty; not knowing what comes next.

Technological innovation in mining isn't about replacing people, but about making their jobs safer and more productive.