Pagel start by saying that language can implant ideas in your mind. He start with the story of Babel tower in Bible and says that this story is a warning about the power of language. He references this story because God felt that his power can finish with this tower that people want to make. For this reason, God destroyed the tower and scattered the people, bu giving them different languages, to ensure that the tower would never be rebuilt. I think that this opinion about the origin of language it's kind of religious, and maybe he need to investigate with other focus of attention, but it's a good analogy to start. To understand the evolution, he start to talking about chimpanzees. He says that chimpanzees can't imitate, they can't learn from others mistakes. From my point of view, this explains why chimpanzees have live in this way always, doing the same thing for years. In the other hand, he start to talk about Neanderthals. He says that we are not sure that they ...