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歷史學家是回望過去的先知。

我從不考慮可能出錯的事情，只專注于需要做對的事情。

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.

The ultimate goal of computer science is to create systems that are both powerful and reliable.

意識是適應戲劇上演的劇場。