—— 请按键盘 空白键 开始游戏 ——

"The most effective way to destroy people is to deny and obliterate their own understanding of their history."
The past is always tense, the future perfect.
The best way to predict the future is to create it.
成功不是终点,失败也不是致命的:重要的是继续前进的勇气。
数学的进步是通过它能解决的问题数量来衡量的。