书是一面镜子：如果一头驴往里看，你不能指望看到一位使徒。
A book is a mirror: if an ass peers into it, you can't expect an apostle to look out.
Success is not final, failure is not fatal: It is the courage to continue that counts.
The most beautiful flowers bloom only in the land of freedom.
The beauty of physics lies in its ability to explain the complex with simple laws.