数学不知道种族或地理边界；对于数学来说，文化世界是一个国家。

美好生活就是每天运用你的标志性优势，产生真实的幸福和丰富的满足感。

You got a dream, you gotta protect it. People can't do something themselves,they wanna tell you you can't do it.If you want something, go get it. Period.

I would like to paint the way a bird sings.

The only limits you have are the limits you believe.