You have to spend some energy and effort to see the beauty of math.
用户的需求是我们前进的动力。
偷一只狗一头猪，就称他不仁；二偷去了一个国家一座城池，却认为这是义。
我认为生活中最重要的事情就是快乐。
释义：不和他人去争名利上的得与失，只求自己能够拥有和增长智慧与才干。
Innovation is not about being the first, it's about being the best.
Man's main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.