我是自由的，那就是我迷失的原因。

I went to the woods because I wanted to live deliberately. I wanted to live deep and suck out all the marrow of life. To put to rout all that was not life. And not, when I had come to die, discover that I had not lived.

The beauty of mathematics only shows itself to more patient followers.

Every life is extraordinary.

数学的本质在于它的自由。

爱是世界上最重要的事情，但音乐也紧随其后。