—— 请按键盘 空白键 开始游戏 ——

We can’t leave the problem-solving to the next generation. We have to do our part now.
如果一个人早上起床,晚上睡觉,在这之间做他想做的事,他就是成功的。
听我说话就像一场头脑旅行,因为我只给你那些你和朋友在客厅里开玩笑的东西。
A good mathematician is lazy, but in a constructive way.