—— 请按键盘 空白键 开始游戏 ——

The best architecture is invisible; it is the life within that matters.
I think that the thing that makes mathematics worthwhile is the fact that it has this incredible structure that you can explore and discover.
A life without examination is not worth living.
释义:别人称赞我,不值得高兴;别人批评我,也不值得生气。