—— 请按键盘 空白键 开始游戏 ——

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
In mathematics, the art of proposing a question must be held of higher value than solving it.
在观察的领域里,机遇只偏爱那种有准备的头脑。