On the one shelf at the library he found Karl Marx, Ricardo, Adam Smith, and Mill, and the abstruse formulas of the one gave no clew that the ideas of another were obsolete.

• 在图书馆的一个书架上他发现了卡尔·马克思、李嘉图、亚当·斯密和米尔，这一家的深奥公式无法证明另一家的思想已经过时。