—— 请按键盘 空白键 开始游戏 ——

A good world needs knowledge, kindliness, and courage; it does not need a regretful hankering after the past or a fettering of the free intelligence by the words uttered long ago by ignorant men.
Risk is inevitable in our business, but recklessness is not.
Quality is not a choice; it is a requirement.
I’m just paying my rent every day in the tower of song.
人类唯一需要恐惧的,就是恐惧本身。
The pursuit of mathematical knowledge is a never-ending adventure, filled with challenges, surprises, and the satisfaction of solving the unsolvable.