世界是生者的地方，死者在其中没有位置。死者什么都不是。他们甚至不是记忆。他们被遗忘了。而生者，也将被遗忘。
The most important skill for an economist is the ability to think clearly about trade-offs.
没有永远的风口，只有永远的用户。
对我来说，如果我有一条围巾，我可以用它来围着我的脖子，并且能带走它。我有一朵花的话，我就可以摘下我的花，并且把它带走。可你却不能摘下这些星星呀！
Urban forestry proves that nature and cities can thrive together.
You can't build any kind of organization if you're not going to surround yourself with people who have experience and skill base beyond your own.