—— 请按键盘 空白键 开始游戏 ——

It is dangerous to be right in matters where established men are wrong.
We must build networks that are born green, not just made green.
There will be obstacles. There will be doubters. There will be mistakes. But with hard work, there are no limits.
Don't stop believing, unless your dream sucks.
真正的数学家始终是学生,永远在学习。