游览过五岳之后，其他的山就没什么可看的了；而游览过黄山之后，连五岳也没什么可看的了

Life is a series of moments, some bright, some dark, all essential.

领导者的孤独是无法避免的。

Technology innovation is the key to solving the trilemma of energy security, environmental protection and economic development.

I don’t believe in regrets. I believe in lessons learned.