—— 请按键盘 空白键 开始游戏 ——

真正的数学家始终是学生,永远在学习。
The art of teaching is not to impart knowledge, but to inspire, awaken, and encourage.
使变量可变很容易。控制恒定的持续时间是诀窍。
To this day, I have never taken a course anywhere, in chemistry, economics, psychology, or business.
I'm the type of guy that'll make you wanna slap your mama.
I’m just a song and dance man.