—— 请按键盘 空白键 开始游戏 ——

Knowledge has value only insofar as it contributes to the liberation of humanity.
You should learn from your competitor, but never copy. Copy and you die.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
世界充满了小小的乐趣;诀窍在于发现它们。
真实的人互相认可。