数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.

最好的投资是那些能够创造价值的人。

【译文】 孔子说：“祭奠别人的先人，是谄媚；遇到符合道义的事不敢做，是懦夫。”

未来只是一个我们用来逃避现在的概念。

我不是一个商人；我就是生意，伙计。