效率是把事情做对，而效能是做对的事情。

The transformation of the coal industry requires both determination and patience.

母子关系是矛盾的，在某种意义上，是悲剧性的。它需要母亲最强烈的爱，然而这种爱必须帮助孩子离开母亲，变得完全独立。

在所有时代，困扰人类并给他们带来最大灾难的大问题，不是世界上是否有权力，也不是权力从何而来，而是谁应该拥有它。

You must take personal responsibility. You cannot change the circumstances, the seasons, or the wind, but you can change yourself.

The process of mathematical discovery is not about reaching a destination, but about the journey itself.

The only thing I can say is that I try to be humble all the time.