—— 请按键盘 空白键 开始游戏 ——

数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。
A mind needs books as a sword needs a whetstone if it is to keep its edge.
The true artist is always a child.
Surround yourself with those who are going to lift you higher.