在我的一生里，也有贫乏和沉默的地域。它们是我忙碌的日子得到日光与空气的几片空旷之地。
There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air.
When I accept myself just as I am, then I can change.
The only way to do great work is to love what you do.
The true measure of an economy’s success is how well it serves all its citizens.
最好的故事不在书中，而在那些经历过的人的眼睛里。
发散级数是魔鬼的发明，基于它们的任何证明都是一种耻辱。
