生活中最重要的事情是能够自由地做你想做的事。

没有执行的创新只是一个想法。

最大的幸福是知道不幸的根源。

译文：国家已经残缺不全，总是需要去修补，为了国家牺牲自己怎敢吝惜生命。

If you ask an economist what’s driven economic growth, it’s been major advances in things that mattered – the mechanization of farming, mass manufacturing, things like that. The problem is, our society is not organized around doing that.