translation.en: One of the great mistakes, I think, of economics is it fails to understand that what something is, whether it's retirement, unemployment, cost, is a function, not only of its amount, but also its meaning.
translation.zh: 我认为经济学最大的错误之一 便是没有去真正地理解类似于 退休，失业，代价 这样的东西不只是它的量的应变量，也是它的意义的应变量。