The worst evils in history have always been committed by those who truly believed they were combating evil. Beware of combating evil.
Curiosity drives discovery. Without it, science would stand still.
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.
在互联网时代，三个月就是一个世纪。