—— 请按键盘 空白键 开始游戏 ——

The joy of mathematics is in the struggle to understand.
对现实的探求始于我们承认自己的无知。
"The world is full of stories, and each one is a window into a different reality."
There is a time for daring,and there is a time for caution, and a wise man understanding which is called for