The environment will appear different to different observers depending on what they are prepared to see.

"One way of looking at speech is to say that it is a constant stratagem to cover nakedness."

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.

人类历史证明，文化的进步取决于社会群体有机会从邻居的经验中学习。