这些高墙还真是有点意思。一开始你恨它，然后你对它就习惯了。等相当的时间过去后，你还会依赖它。
These walls are really interesting. At first you hate it, then you get used to it. After a considerable period of time, you will depend on it.
Life is like a journey, don't worry about the destination, but enjoy the scenery along the way and the mood of seeing it.
数学语言是通用的，超越了文化和语言的障碍。
世界是一幅伟大的画，我们是其中的色彩。