—— 请按键盘 空白键 开始游戏 ——

观察他交往的是什么人,就能知道他的品行如何。
The present is the point at which time touches eternity.
"To live is the rarest thing in the world. Most people exist, that is all."
"The beauty of mathematics in computer science lies in its ability to model and solve real-world problems with abstract concepts."