—— 请按键盘 空白键 开始游戏 ——

Topology is the study of the properties of a figure that are unchanged by any deformation.
世界上充满了故事,但所有的故事其实是一个。
如果你想做好一件事,就自己动手。
The art of film is the art of collaboration.
In republican governments, men are all equal; equal they are also in despotic governments: in the former, because they are everything; in the latter, because they are nothing.