语言不仅仅是交流的工具，更是精准的武器。
"Language is not just a tool for communication, but a weapon of precision."
The challenge in computer science is not just to solve problems, but to solve them in a way that is both efficient and elegant.
You are never too old to set another goal or to dream a new dream.
The past is not a fixed point but a fluid memory that shifts with each retelling.
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
一本书是一扇门，每个读者都以不同的方式穿过它。