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。
The more we learn about the universe, the more we realize how much we don't know.
Oh, I’m so glad you’ve come. There are hundred things I want not to say to you.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.