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.

"Science is not just a collection of facts, but a way of thinking."

It’s funny. The things that are most important to you are often the hardest to talk about.

亲爱的朋友，我们是太阳和月亮；我们是海洋和陆地。我们的目的不是成为对方，而是认识对方，学会看到对方，并为对方所是的那个人而尊敬他：彼此的对立和补充。