—— 请按键盘 空白键 开始游戏 ——

Cryptography is about communication in the presence of adversaries.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all. And that, of course, causes great confusion.
No matter where life takes us, we’ll always be a family.
时至今日,我从未在任何地方选修过化学、经济学、心理学或商业课程。