It wasn't all romantic. I didn't have a dorm room, so I slept on the floor in friends' rooms, I returned coke bottles for the 5¢ deposits to buy food with, and I would walk the 7 miles across town every Sunday night to get one good meal a week at the Hare Krishna temple. I loved it. And much of what I stumbled into by following my curiosity and intuition turned out to be priceless later on.

在我们推理关于事实的过程中，有各种可能的确证程度，从最高的确定性到最低级别的道德证据。

The coal industry is not just about digging rocks; it's about powering progress and sustaining communities.

You can't manage what you don't measure - that's why transparency is the foundation of sustainable manufacturing.

一个人懒惰又奢侈，生活就会贫困；勤劳而节俭，生活就会富足。

"Some infinities are bigger than other infinities."