The only way to do something really well is to love what you’re doing.

The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.

逻辑法则不是心理法则，而是真理的法则。

I've learned that you can't control what other people think of you, but you can control what you think of yourself.