时间是人类为了理解宇宙而创造的概念，但宇宙本身是永恒的。
Time is a concept that humans have created to make sense of the universe, but the universe itself is timeless.
It’s possible that a not-so smart person， who can communicate well， can do much better than a super smart person who can’t communicate well. That is good news because it is much easier to improve your communication skills than your intelligence.
可持续性不仅仅是一个流行词，而是我们对后代的责任。