数学证明的美在于它的简洁性和必然性。
The beauty of a mathematical proof lies in its simplicity and inevitability.
晏子春秋
There is an I in "happiness",There is no Y in "happiness",It's an I.
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
表演是关于诚实的。如果你能假装诚实，你就成功了。
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.