translation.en: Because what I've been doing for the last four years -- really since the first time you saw me -- some of you saw me at TED when I was talking about religion -- and in the last four years, I've been working just about non-stop on this topic.
translation.zh: 因为四年以来我一直在做的， --其实是自从你们在TED上第一次看到我-- 当时我谈的是宗教，在过去的四年中 我不间断地研究宗教