我不在乎别人怎么说，我只在乎自己怎么做。
I don't care what others say, only what I do.
The past is a kind of future that has already happened.
Never let anyone tell you that you can’t do something.
If you're not embarrassed by the first version of your product, you've launched too late.
每一个数学问题都是一个等待解决的谜题，每一个解决方案都是迈向更深入理解的一步。
"I don't want to be a hero. I just want to be a person who does the right thing."