—— 请按键盘 空白键 开始游戏 ——

The truth is often hidden in plain sight.
和平时期流汗越多,战争时期流血越少。
韧性是通过克服挑战建立起来的。
In computational complexity, we are not just dealing with the limits of what we can compute, but also with the limits of what we can prove.