—— 请按键盘 空白键 开始游戏 ——

Sometimes the most profound mathematics comes from playing with simple ideas until they reveal their hidden complexity.
The land is the real client, not the person who pays the fee.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
淌自己的汗,吃自己的饭,自己的事情自己干;靠天、靠地、靠父母,不算是好汉。人只有靠自己的力量,才能得以生存,不依靠自己,就将无法生存。