你不能两次踏入同一条河流。
为了如今仰望太空,注视月球和遥看繁星的人们,我们发誓,我们决不允许太空被那些敌对国家(原文为旗帜)所征服,我们会看到自由与和平的旗帜在飘扬。(1962年我们选择登月演说)
Mathematics is the language with which God has written the universe.
We must embrace new technologies and ideas, or risk being left behind in the rapidly changing energy landscape.
释义:国际秩序的本质是武力威慑下的平衡。
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.