You don't write because you want to say something, you write because you have something to say.
你不是因为想说些什么而写作，你是因为有些东西要说而写作。
Challenges are what make life interesting. Overcoming them is what makes life meaningful.
The world is full of magical things patiently waiting for our wits to grow sharper.
表示论提供了表达许多数论现象的语言。
In mathematics, you don't understand things. You just get used to them.
If you are free, you are not predictable.