背景非常重要。背景不仅仅是物理背景，还包括历史和文化背景。
The context is so important. The context is not just the physical context, but also the historical and cultural context.
"The world is a book, and those who do not travel read only one page."
The future of coal lies in clean and efficient utilization.
世界上发生的任何事情，其意义无非是某些极大或极小值。
Intelligence emerges from the interaction of simple processes.
The voice is an instrument that is inside you. It’s the only instrument that you can’t see.
我创业不是为了赚钱，而是为了改变世界。