—— 请按键盘 空白键 开始游戏 ——

The true joy of mathematics lies in the act of discovery, not just the result.
【译文】 司马牛问君子。孔子说:“君子不忧不惧。”问:“不忧不惧,就能叫做君子吗?”孔子说:“问心无愧,何来忧惧?”
"To write is to embark on a journey without knowing the destination."