loss. That is emotional meaning making and that's where they enter into this community of sort of a transcendent experience in an animal sort of way that I think is the foundation for this discussion. So, Steve, let me ask you. Transcendent experience, community, is one powerful way of thinking about what religion provides. On the other side of the discussion, you've got people like Dan Dennett. You got people like Pascal Boyer, and various others, whose explanation tends more toward a mechanism. The spreading of ideas.