最好的科学是用开放的心态和学习的意愿完成的。

孩子不仅仅是小大人；他们有自己看待和理解世界的方式。

Always demand a deadline. A deadline weeds out the extraneous and the ordinary. It prevents you from trying to make it perfect， so you have to make it different. Different is better.

The challenges of today's coal industry require bold leadership and vision.

The ladder of causation has three rungs: seeing, doing, and imagining.

最激动人心的发现往往来自于质疑其他人认为理所当然的事情。