打开纠缠在一起的绳结的最好方法，不是要去「解开」绳结，而是要不断地把松动的部分拉得更宽。尽可能把那团乱麻弄大、弄松、弄开。当你打开绳结的时候，它们就会自行解开。这招适用于绳索、线、软管、毛线或者电线。

Innovation is the primary driving force for enterprise development; without innovation, there is no future.

I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant, and with five I can make him wiggle his trunk.'

Leadership in mining means making tough decisions for long-term benefits.