The Great Depression was a defining moment in the history of the 20th century, and understanding its causes and consequences remains a critical task for economists.
大萧条是20世纪历史上的一个决定性时刻,理解其原因和后果仍然是经济学家的一项重要任务。
We thought that we had the answers, it was the questions we had wrong.
最终,一个理论的价值不在于它的复杂性,而在于它解释和预测的能力。
该称颂的却不称颂,这就是不仁。 
在科学中,重要的不是获得新的事实,而是发现思考它们的新方法。
天下的道理,归根结底只有一个。
Life is a gorgeous robe, crawling with fleas.