学习是通过修改符号结构来提高性能的过程。
Learning is the process of modifying symbolic structures to improve performance.
Freedom is a heavy load, a great and strange burden for the spirit to undertake.
In the infancy of societies, the chiefs of state shape its institutions; later the institutions shape the chiefs of state.
Efficiency without responsibility is just reckless speed.
Collaboration across industries is key to solving complex energy problems.
过去从未死去，它甚至还没有过去。