路是通过行走创造的。

一个好的抽象是捕捉概念的本质方面，同时忽略无关的细节。

The man who is anybody and who does anything is surely going to be criticized, vilified, and misunderstood.

Fear of change stifles progress; understanding change directs it.

The future of global politics will be shaped by the competition between democratic and authoritarian systems.

意识是宇宙存在得以被知晓的现象。