Technology in mining isn't about replacing people; it's about empowering them to do better work.

The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.

旅行的用途是用现实来调节想象力，而不是想象事情可能是怎样的，而是看到它们实际是怎样的。

最大的风险就是不冒任何风险。在一个快速变化的世界里，唯一注定失败的策略就是不冒险。