—— 请按键盘 空白键 开始游戏 ——

未说出的往往比说出的更有力量。
I've learned that you can't have everything and do everything at the same time.
比喻天地如同熔炉,造化是工匠,阴阳是炭火,万物是被锻造的铜器。
"Courage is not the absence of fear, but the triumph over it."
Every mathematical theorem is a story waiting to be told, a mystery waiting to be unraveled.