故仓无备粟,不可以待凶饥;库无备兵,虽有义不能征无义;城郭不备全,不可以自守;心无备虑,不可以应卒。
仓库里没有储备的谷物,不可以应付凶饥之年;兵库不准备兵器,没有足够的实力,即使站在正义的一方也无法征讨无义之人,实力是维护正义的强有力的保障;城郭防守不完全,则不能守护自己;没有居安思危的心理,不可应付突发事件。
最古老、最简短的词语——'是'和'否'——是需要最多思考的。
Man can only be free through mastery of himself.
The biggest risk of AI is not that it will become too powerful, but that we will not use it wisely.
朋友就是那个了解你的一切却依然爱你的人。
One of the first things taught in introductory statistics textbooks is that correlation is not causation. It is also one of the first things forgotten.