"Hope is the thing with feathers that perches in the soul."

关键在于政府支出的效果取决于经济状况。

As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

快乐的最好方法是善良。

做决定的最好方法就是去做它。

数学是理性的音乐。

技术应该服务于土地，而非支配它。