书籍可能是危险的。最好的那些应该被贴上“这可能会改变你的人生”的标签。
如果你不愿意失败，你就没有准备好成功。
可持续性不仅仅是植树；它是为了正确的理由在正确的地方种植正确的树木。
Democracy is the only system that can reflect the human spirit's indomitable will to be free.
The more we learn about black holes, the more we realize how much we still don’t know.
The other thing about modern society and why it causes this anxiety, is that we have nothing at its center that is non-human. We are the first society to be living in a world where we don't worship anything other than ourselves. We think very highly of ourselves, and so we should; we've put people on the Moon, done all sorts of extraordinary things. And so we tend to worship ourselves.
