没有战略的公司愿意尝试任何事情。
好人得到奖赏，坏人得到惩罚，国家必然会太平。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
计算学习理论为理解机器学习算法的能力和局限性提供了一个数学框架。
任何牺牲基本自由以换取短暂安全的人，最后既得不到安全也得不到自由。（放弃基本的自由以换取苟安的人，终归失去自由，也得不到安全。）
The city is the greatest invention of mankind.
"A story is a letter that the author writes to himself, to tell himself things that he would be unable to discover otherwise."