教育是我们减少不平等和促进社会流动的最有力工具之一。
It's difficult to extract sense from strings, but they're the only communication coin we can count on.
The mind is an active, dynamic process, not a passive receptacle.
To be without some of the things you want is an indispensable part of happiness.
If something fails where you thought it would fail， that is not a failure.
The rich are different from you and me—they have more money and less empathy.