一个好的程序员不是知道所有答案的人,而是知道如何找到答案的人。
The joy of mathematics is in the journey, not just the destination.
The beauty of mathematics is that it allows us to explore the universe without ever leaving our chairs.
The past is never dead. It's not even past.
The greatest discovery of my generation is that human beings can alter their lives by altering their attitudes of mind.