—— 请按键盘 空白键 开始游戏 ——

坚持做自己,因为没有人能代替你。
"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
"The future is not a result of choices among alternative paths offered by the present, but a place that is created—created first in the mind and will, created next in activity."
数学不是一项观赏性运动。你必须亲自去做才能理解它。
你看不见你自己,你所看见的只是你的影子。