The essence of mathematics lies in its freedom.

我们拥有的最有价值的资源不是地下的矿石，而是每天来工作的人们。

The process of writing can be magical. Mostly, you'll be staring at the computer screen trying not to distract yourself with the internet. But sometimes, if you're lucky, inspiration will come.

We are all haunted by something, whether we admit it or not.