煤炭行业不仅仅是挖掘岩石；它是推动进步和维持社区的力量。

对付一个不自由的世界，唯一的方法就是变得如此绝对自由，以至于你的存在本身就是一种反抗。

Innovation happens when tradition meets bold thinking.

【译文】近水的楼台最先看到水中的月亮，向阳的花木光照好，发芽就早。古代的人看不见今天的月亮，而今天的月亮却曾经照耀过古代的人。抢先一步就能当上君王，后到一步只能称作臣子。别以为你走得早，还有比你走得更早的人。

Among thousands of people, you meet those you've met. Through thousands of years, across the boundless wilderness of time, you happen to meet them, neither earlier nor a bit too late. There is nothing to be said except to ask lightly, "Oh, you're here too?"

The best way to scale a program is to scale it.

I’m a great believer in solving hard problems by using a checklist. You need to get all the likely and unlikely answers before you; otherwise it’s easy to miss something important.