There's not a liberal America and a conservative America - there's the United States of America.

科学的进步在于每一步发现一种新的秩序，这种秩序将看似不同的事物统一起来。

"Memory is a strange thing, it doesn't work like a camera or a tape recorder, it reconstructs things, it edits the past with the scissors of the present."

Leadership is about inspiring others to achieve what they thought was impossible.

让我真真实实地活着吧，我的上帝，这样，死对于我也就成了真实的了。

逆境是通往真理的第一条道路

The defining decade: Why your twenties matter—and how to make the most of them now.《The Defining Decade》