国家是人类历史上最重要的制度。

同理心是打开理解和与他人建立联系之门的钥匙。

A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between proofs and the best mathematician can notice analogies between theories.

我写作既是为了理解，也是为了被理解。

我们并不完美，但我们彼此完美契合。

痛苦是暂时的，但骄傲是永恒的。