美是唯一能拯救我们的东西，但它也是最脆弱的。
Beauty is the only thing that can save us, but it is also the most fragile.
To look up at the heights of heaven and to admire the stars.
In mathematics, you don't understand things. You just get used to them.
最好的故事是那些让你感觉不那么孤单的故事。