I don't have to be a role model for anyone.

The first step in the art of cutting metals is to find a man who has the necessary skill and experience.

Sometimes the most ordinary things are the hardest to explain.

I've learned that you can't control what other people think of you, but you can control what you think of yourself.

数学不仅仅是抽象理论的集合，而是描述宇宙的语言。

我思故我在。

因为我们是蛆虫的食物，因为不管你信不信，在这儿的每一个人，有一天都会停止呼吸、变冷、死亡。