—— 请按键盘 空白键 开始游戏 ——

The dead are not powerless. Dead, did I say? There is no death, only a change of worlds.
Mathematics is a living subject, constantly evolving with new ideas and discoveries.
Freeing yourself was one thing, claiming ownership of that freed self was another.
孔子说:“君子坦荡而不骄狂,小人骄狂而不坦荡。”
I never look back, I just look forward.