经济进步的叙述必须包括那些被落下的人的声音。

The most basic human desire is to be recognized as a human being.

Leadership is about creating an environment where people can do their best work.

在数学中，提出问题的艺术必须比解决问题更有价值。

The ability to associate depends, in turn, on the degree to which communities share norms and values and are able to subordinate individual interests to those of larger groups.

让自己振作起来的最好方法就是试着让别人振作起来。