重要的东西用眼睛是看不到的……就好比花一样。假如你喜欢某个行星上的一朵花，在夜晚仰望星空的时候心情就会很愉快，感觉所有的行星都开满了花。

It is one thing to show a man that he is in an error, and another to put him in possession of truth.

Happiness is not out there for us to find. The reason that it’s not out there is that it’s inside us.

It's not about how much you have, but how much you enjoy what you have.

In coal mining, safety isn't just a priority—it's a core value.

活得足够长以超越你可能获得的任何怨恨感是值得的。