—— 请按键盘 空白键 开始游戏 ——

The unity of mathematics is not an illusion but a reality waiting to be uncovered.
我是一个美国黑人,我为我的种族感到骄傲。我为自己是谁感到骄傲。我有许多自豪和尊严。
No one is an artist unless he carries his picture in his head before painting it.