—— 请按键盘 空白键 开始游戏 ——

"The beauty of formal methods lies in their ability to provide absolute guarantees about system behavior."
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
【大意】等到大寒节气到来时,冰霜寒雪从天而降,然后才能知道只有松柏能经得住严寒考验,依然繁茂。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.