Science is the great antidote to the poison of enthusiasm and superstition.
The best way to predict the future is to invent it.
愚蠢的人畏惧生病,却经常生病,明智的人居安思危,危险才不会降临。
进步主要取决于人类本性中最强大而不仅仅是最高尚的力量能在多大程度上被用来增加社会福祉。
解释:才华有高下之分,没有古今之别;文章有真实、虚伪之差,没有新旧之异。
The concept of law involves the union of primary and secondary rules.