试图独自生活的人不会成功。如果他的心不回应另一颗心，他的心就会枯萎。如果他只听到自己思想的回声而找不到其他灵感，他的思想就会萎缩。

女性教育和就业的静默革命以我们仍在发现的方式改变了社会。

The most important thing is to be able to think like an economist, to see the world through that lens.

The first fruit of this imagination - and the first lesson of the social science that embodies it - is the idea that the individual can understand his own experience and gauge his own fate only by locating himself within his period, that he can know his own chances in life only by becoming aware of those of all individuals in his circumstances.

剑鞘保护剑的锋利，自己却满足於它自己的迟钝。

太阳直到它的光芒被这座建筑反射才知道它有多美。