在经济学中，就像在生活中一样，答案往往比最初看起来更加微妙。
In economics, as in life, the answers are often more nuanced than they first appear.
真相很少是纯粹的，也从不简单。
"Always be transparent about the limitations of your study."
人们不会问一个受苦的人：你的国家是什么？你的宗教是什么？人们只会说：你在受苦，这对我来说就足够了。
The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater.
La imaginación es el arma más poderosa en la guerra contra la realidad.
压力要么让管道爆裂，要么造就钻石。