在了解物理力、它们的规律及相互关系之后,接下来是它们起源的问题。
You may think I’m small, but I have a universe inside my mind.
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.
如果我们让过去和现在争吵,我们将失去未来。