We don’t do market research. We just make things we believe in.

The only thing standing between you and your goal is the story you keep telling yourself as to why you can’t achieve it.

The truth is rarely pure and never simple.

小于给定数的素数个数是该数的一个函数。

对我来说，最令人兴奋的事情是看到我们所做工作的影响。