—— 请按键盘 空白键 开始游戏 ——

我看到了,我忘记了;我听到了,我记住了;我做过了,我理解了。
I want to be remembered as someone who was kind and made people happy.
数学家最好的作品是艺术,一种高度完美的艺术,像想象的最秘密的梦想一样大胆,清晰而透明。