—— 请按键盘 空白键 开始游戏 ——

One person with a belief is a social power equal to ninety-nine who have only interests.
Profit without purpose is empty; purpose without profit is unsustainable.
In mathematics, the art of proposing a question must be held of higher value than solving it.
如果我们现在不采取行动,我们的孩子继承的世界将比我们得到的更加贫瘠。