"The past is never dead. It's not even past."

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

我不让消极情绪影响我。

做数学就是与宇宙对话，寻找我们甚至可能还不知道如何提出的问题的答案。

摧毁资本主义制度的最好方法是败坏其货币。