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 main thing is to keep the main thing the main thing.
The best way to be successful is to take risks.
宇宙不仅比我们想象的更奇怪,而且比我们能够想象的还要奇怪。
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
办一件事都不能善始善终,就不要做很多事。 
我不是来竞争的,我是来统治的。