认知地图不是头脑中的一幅图或模型，而是环境的动态变化表征。

The art of programming is the art of organizing complexity.

死者一直在倾听。死者一直在注视。

I don’t think about the past or the future. I focus on the present.

The circular economy isn't an option—it's the only way forward for industries willing to thrive in the next decade.

机会不会自己发生；你要创造它们。