数学是逻辑思想的诗歌。

Remember, if you ever need a helping hand, you'll find them at the end of each of your arms.

The best ideas come from frustration with the status quo.

智者不会羞于求知，因为他知道，知识的海洋是无边无际的。

最重要的是讲述一个能引起人们共鸣的故事。