"You have to put in the hours because there’s always something which you can improve."

所以勇往直前吧。跌倒吧。你会从地上看到一个不同的世界。

To teach mathematics is to inspire the next generation of thinkers and problem solvers.

The essence of mathematics lies in its freedom.

对民主的爱就是对平等的爱。

金钱就是动力。

"The truth is always something that is told, not something that is known. If there were no speaking or writing, there would be no truth about anything. There would only be what is."

I'm not trying to be the next anybody. I'm trying to be the first me.