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.

Every material has its own intelligence.

Dream big, work hard, and never give up on what you believe in.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

新观点总是被怀疑和通常反对，原因只是因为它们尚未变得普遍。

我们的房屋越充满光明，墙壁上就越渗透出幽灵。