如今网络上到处都是免费的教育资源，真正稀缺的是对学习的渴望。
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.
让人们快乐的最好方法就是让他们笑。
伟大的事业通常是在巨大的风险中完成的。
I don't believe in harmony in the traditional sense. I believe in intensity.
