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The earth's resources are finite, but human ingenuity is not.

The path to success is paved with calculated risks and relentless effort.

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 most profound ideas in mathematics often arise from the simplest observations.

The key to great storytelling is to find the universal truth in the specific.

我對愚蠢的人有極大的信心；我的朋友們稱之為自信。