凡是大国之所以不攻打小国的,必定是由于这个小国粮食充足,城郭修筑坚固,上下和谐一心。
计算复杂性的研究不仅仅是关于问题的分类;它是关于理解计算本身的本质。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Never love anybody that treats you like you’re ordinary.