煤炭仍将是重要的能源，但前提是我们与时俱进。

The beauty of physics lies in its ability to reveal the underlying simplicity of the complex universe.

True happiness arises, in the first place, from the enjoyment of one's self, and in the next, from the friendship and conversation of a few select companions.

史记

"Every book is a mirror, and every reader sees a different reflection."

有一个快乐的境况出现，但就有一个不快乐的境况相对立；有一处优美的风景出现，但就立即有一处不优美的风景相抵销。