Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.

很容易忘记世界上有多少人，多到要爆炸，每个人都可想象却又总是被误解。

我们对宇宙了解得越多，就越意识到我们不知道的还有很多。