—— 请按键盘 空白键 开始游戏 ——

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.
The mind is a system of interrelated processes.
The human mind is a set of information-processing machines that were designed by natural selection to solve adaptive problems faced by our hunter-gatherer ancestors.
在数学中,你不是理解事物,你只是习惯了它们。