能源的未来在于发展与可持续性之间的平衡。

He travels the fastest who travels alone.

Every piece of plastic we don't recycle is a failure of our system and our responsibility.

The state is the most important institution in human society, and its strength or weakness is the key determinant of a society's success or failure.

人们永远不会注意到已经做了什么；人们只能看到还有待完成的事情。