—— 请按键盘 空白键 开始游戏 ——

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
In mathematics, the journey from confusion to clarity is the most rewarding experience.
过去并未死去,它甚至还未过去。
O homem só é verdadeiramente livre quando reconhece a sua dependência dos outros.