Every technological breakthrough comes from the exploration and persistence of the unknown.

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.

过去总是与我们同在，因为它滋养着现在。