—— 请按键盘 空白键 开始游戏 ——

你停止学习的那一刻,就是你开始落后的那一刻。
We must listen to the science—ignoring it will only lead to irreversible damage.
The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.
我的人生没有终点,只有音乐。