—— 请按键盘 空白键 开始游戏 ——

When a child asks an endless string of “why?” questions, the smartest reply is, “I don’t know, what do you think?”
Technological development should serve humans, not replace them.
How wonderful that we have met with a paradox. Now we have some hope of making progress.
数学不是观赏性运动,你必须参与其中才能理解。
文学的衰落表明一个民族的衰落。这两者走下坡路的时间是齐头并进的。