未来不是我们进入的东西。未来是我们创造的东西。
科学不仅仅是理论；它是关于在现实世界中实现可行的事物。
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.