The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.

The most sustainable mines are those that think beyond extraction.

Faith is the great cop-out, the great excuse to evade the need to think and evaluate evidence. Faith is belief in spite of, even perhaps because of, the lack of evidence.

If you don’t drive your business, you will be driven out of business.

Every quarry has a story written in layers of stone and generations of workers.

我认为拥有强烈的自我意识和知道自己是谁、想要什么非常重要。