translation.en: So, perspective is everything and, because of the history that I've just briefly talked to you about, I have learned to think about Earth as an extraterrestrial planet.
translation.zh: 所以正确的思考方法是一切的前提 并且，正如我之前简介的自己的那段经历 我已经学会在思考问题的时候 将地球看做一个普通的地外行星