—— 请按键盘 空白键 开始游戏 ——

赏赐并不能让人欢喜,责罚也不能让人畏惧。 
The past is a ghost, the future a dream, and all we ever have is now.
Collaboration in mathematics is essential; no one can solve all the problems alone.
生活不是关于寻找自己。生活是关于创造自己。