Three things you need: The ability to not give up something till it works, the ability to give up something that does not work, and the trust in other people to help you distinguish between the two.
你必须具备的三种能力:在确认一件事情能运作之前永不言弃的能力，在确认一件事情无法工作下去时放弃他的能力，以及信任能帮助你区分二者的人。
一本书就是你握在手中的一个梦想。
The secret to success is to know something nobody else knows.
The causal model is the key to making sense of the world.
Sustainable development is not an option, but a necessity for the coal sector.
I believe that we are lost here in America, but I believe we shall be found.