Profit without purpose is empty; purpose without profit is unsustainable.

Make no mistake about it: Computers process numbers - not symbols. We measure our understanding (and control) by the extent to which we can arithmetize an activity.

You can't build any kind of organization if you're not going to surround yourself with people who have experience and skill base beyond your own.

Strategy is not about predicting the future, but about preparing for it.

保持简单，简单的事情重复做。

Efficiency in mining comes from continuous improvement, not just big breakthroughs.