—— 请按键盘 空白键 开始游戏 ——

The concept of reducibility is central to understanding the relationships between different computational problems.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
发现的快乐是这些年来一直激励我的动力。
To turn caring into action, we need to see a problem, see a solution, and see the impact. But complexity blocks all three steps.
A well-designed system is one that can evolve over time without requiring significant rework.
Success in any scientific career requires an unusual equipment of capacity, industry, and energy.
To isolate mental processes from their adaptive context is to misunderstand them completely.