—— 请按键盘 空白键 开始游戏 ——

To lead is to serve, not to command.
Mathematics is the music of reason.
"The truth is always something that is told, not something that is known. If there were no speaking or writing, there would be no truth about anything. There would only be what is."
"The unexamined life is not worth living."
True success comes from making a positive impact, not just making a profit.