—— 请按键盘 空白键 开始游戏 ——

过去永远在那里,但它不是唯一存在的东西。
孩子们喜欢安静练习与自由选择。
The dinosaurs became extinct because they didn't have a space program. And if we become extinct because we don't have a space program, it'll serve us right!
The past is a ghost, the future a dream, and all we ever have is now.