我们不会获得智慧；我们必须自己发现它，经过一段没有人能代替我们或免除我们的旅程。

The stranger is close to us, insofar as we feel between him and ourselves common features of a national, social, occupational, or generally human, nature. He is far from us, insofar as these common features extend beyond him or us, and connect us only because they connect a great many people.

"Behavior cannot be divorced from its adaptive context."

"We are all the heroes of our own stories."