translation.en: So, you get an arms race between the genes which are trying to get the humans to have small economical brains and not waste their time copying all this stuff, and the memes themselves, like the sounds that people made and copied -- in other words, what turned out to be language -- competing to get the brains to get bigger and bigger.
translation.zh: 所以，在基因间产生了装备竞赛 基因试着要人类拥有小而经济的大脑， 而不是浪费他们的时间复制全部的东西， 迷因它们自己，像人们发出和复制的声音-- 换句话说，就是语言的前身-- 竞争着拥有大脑，越来越大的大脑。