The price of getting what you want is getting what you once wanted.

世事犹如书籍，一页页被翻过去。人要向前看，少翻历史旧账。

成功的道路总是在建设中。

"It is easier to imagine the end of the world than the end of capitalism."

你在不良关系中投入得越多，你付出的代价就越大。

The challenges we face in energy are not just technical; they are deeply human.

随着距离的增加，我们的知识逐渐消失，而且消失得很快。最终，我们到达了模糊的边界——我们望远镜的极限。